1. Executive Summary

Theme: The Extreme Divergence Between Earnings and Price — Focusing on the "Value Restoration" Rally in AMD & Advanced Packaging

The Great Divergence: Targeting "Value Restoration" in AMD & Advanced Packaging

• Market Conviction：

This week, the market exhibited a typical characteristic of "Sentiment Leads, Price Lags". Quantitative data detected that capital is withdrawing from the mobile chip sector (such as Qualcomm) and strongly rotating into two major areas that have been oversold due to sentiment but whose earnings per share (EPS) expectations have been sharply revised upwards: AI computing (AMD) and mature process/advanced packaging (Vanguard International Semiconductor, ASE Technology Holding).

2. Quantitative Dashboard

We monitored changes in analyst estimates for tech stocks in Taiwan and the US and found a significant divergence in market sentiment between the two regions:

3. Alpha Scan: Top Consensus Gap Opportunities

Screening Logic: Gap = EPS Change % - Stock Price Change %. A larger value indicates the stock price is severely underestimated, and a value restoration rally is imminent.

Preliminary Conclusion: This week, the top two (AMD, ASE Technology Holding) showed a rare >60% super consensus gap. Historical data indicates that when large-cap stocks exhibit such a significant divergence between earnings and price, there is a very high probability of a V-shaped reversal in the following month.

3. Quadrant Analysis

Based on the matrix analysis of EPS變動 and 股價變動, the market this week is not universally overheated but exhibits extreme "Structural Divergence".

🟢 Quadrant One: Undervalued — 【Strong Focus】

Characteristics: Strong EPS revisions upwards ↑ / Stock price declines against the trend ↓ (Highest Alpha Value Area)

• AMD (AMD.OQ):
  • Data Alert: This is the stock with the largest consensus gap this week. SmartEstimate EPS surged by +66% in a single week, while the stock price corrected by -15%.
  • Strategic View: A positive consensus gap of up to 81% is extremely rare. This is not due to fundamental deterioration but is a classic case of "Mispricing". We anticipate a strong mean reversion rally in the stock price at any time.
• Vanguard International Semiconductor (5347.TWO) / Powertech Technology (6239.TW) / Kinsus Interconnect Technology (3189.TW):
  • Strategic View: The market is overly pessimistic about mature processes. Data shows Vanguard International Semiconductor's EPS was revised up by +12.6% against the trend, coupled with a significant stock price drop of 16.4%, entering a Deep Value zone with limited downside risk.

🔵 Quadrant Two: Momentum — 【Trend Following】

Characteristics: EPS revisions upwards ↑ / Stock price increase ↑ (Area of institutional consensus formation)

• ASE Technology Holding (3711.TW):
  • Data Highlight: The stock price saw a slight increase (+2.5%), but this is supported by a fundamental surge with EPS increasing by +66.9%.
  • Strategic View: Although in the momentum quadrant, the stock price gain significantly lags earnings growth. From a quantitative perspective, it has substantial "Catch-up Play" potential and serves as a core holding that offers both offensive and defensive attributes.
• Monolithic Power (MPWR.OQ) / Teradyne (TER.OQ):
  • Strategic View: Benefiting from inelastic demand for AI power management and advanced testing, respectively, both earnings and stock prices have risen in tandem, indicating a clear trend.

🟠 Quadrant Three: Overheated — 【Risk Warning】

Characteristics: EPS revised downwards or flat ↓ / Stock price increase ↑ (Inflated Valuation)

• Key Names: Taiming Technology (2383.TW), Auras Technology (3017.TW), Qorvo (QRVO.OQ)
• Strategic View: Data shows slight EPS downgrades (-0.07% to -0.2%), yet stock prices rose against the trend (+4% to +10%). These stocks have seen their prices outpace fundamentals significantly, lacking substantial earnings support, making them prone to profit-taking during market volatility.

🔴 Quadrant Four: Collapse — 【Avoid/Sell】

Characteristics: EPS revised downwards ↓ / Stock price decline ↓ (Weakening Fundamentals)

• Key Names: Qualcomm (QCOM.OQ), Himax Technologies (HIMX.OQ), LINE Pay (7722.TW)
• Strategic View: Both fundamentals and technicals are weakening. Qualcomm's double hit (EPS downgrade of -7.2% coupled with a sharp stock price decline) confirms that the recovery in the mobile market is weaker than expected. This is not a mispricing but a trend reversal, with clear capital withdrawal, making it inadvisable to rashly bottom fish.

【Phase Two: This Week's Deep Dive Themes】

Theme One: The Packaging Savior (Advanced Packaging)

—— Data Deciphered: Why did AMD and ASE Technology Holding's EPS both surge by 66%?

1. Data Evidence:

This week's most striking data correlation occurred between AMD (AMD.OQ) and ASE Technology Holding (3711.TW).

• AMD EPS Upgrade: +66.3%
• ASE Technology Holding EPS Upgrade: +66.9%

This nearly perfect synchronicity is no coincidence; rather, the data is telling us a fact the market has not yet fully absorbed: AMD's MI300/MI325 series chip production bottlenecks have been resolved, and the solution is "packaging capacity spillover."

2. In-depth Industry Logic Analysis:

In the past, market concerns about AMD centered on "orders but no capacity," primarily due to Nvidia monopolizing TSMC's CoWoS capacity. However, this week's collective upward revision of AMD's earnings estimates by analysts suggests a significant breakthrough in the supply chain.

• Capacity Spillover: While TSMC's CoWoS capacity is expanding, it primarily prioritizes Nvidia's Blackwell. Data suggests that AMD has very likely successfully certified and largely transferred its back-end packaging orders to ASE Technology Holding's (ASE) VIPack platform (which includes Fan-out and 2.5D packaging technologies).
• From "GPU War" to "Packaging War": The surge in EPS means AMD's shipments will see a "step-change jump" in the next quarter. For ASE Technology Holding, this is not just an increase in revenue but a qualitative shift in its product mix—from low-margin traditional wire bonding to high-margin advanced packaging.
• Value Restoration after Mispricing: AMD's stock price has fallen by 15%, mainly reflecting hedging sentiment before Nvidia's earnings report; however, the 66% EPS upgrade tells us that fundamentals have advanced far ahead of the stock price. This is not a risk; this is a classic "Expectation Gap."

Conclusion: Data confirms that AMD's supply chain issues have been resolved, and ASE Technology Holding is the biggest beneficiary of this "spillover effect." The 60% gap between stock price and earnings is this week's strongest buy signal.

Theme Two: The Physics of Inelastic Demand

—— Data Deciphered: How did MPS and Teradyne manage upward revisions amidst a market downturn?

1. Data Evidence:

In a week where semiconductors broadly corrected, these two stocks demonstrated astonishing resilience and earnings upgrades:

• Monolithic Power (MPWR) EPS Upgrade: +21.2% (Stock price rose against the trend by +4.8%)
• Teradyne (TER) EPS Upgrade: +13.7% (Stock price surged by +20.3%)

2. In-depth Industry Logic Analysis:

These two companies represent the two major "physical walls" encountered as AI develops to its current stage: Heat and Yield. These demands will not disappear due to economic fluctuations; they are "inelastic demands."

• MPS: Solving the Limits of "Heat" As Nvidia Blackwell and AMD MI325's power consumption surpasses 1000W, traditional Power Management ICs (PMICs) can no longer cope. The 21% EPS upgrade reflects the urgent demand from AI servers for "Vertical Power Delivery" and "48V architecture." MPS is the absolute leader in this field. Analyst upgrades indicate that the shipment proportion of high-end AI servers is accelerating, and the value content per box for PMICs in each server is doubling.
• Teradyne: Solving the Limits of "Yield" Why did Teradyne's stock price surge by 20%? Because the more complex advanced packaging (Chiplet) becomes, the longer the testing time. Previously, testing a single chip might only take a few seconds; now, with Chiplets stacked with HBM and GPU, testing time increases exponentially. Furthermore, if advanced packaging errors occur, the entire expensive module is scrapped. Therefore, customers are willing to pay a premium for more advanced Automated Test Equipment (ATE) to ensure yield. The EPS upgrade reflects that test equipment has entered a "Supercycle."

Conclusion: Regardless of who wins or loses in AI, as long as chips get hotter and more complex, MPS and Teradyne are the "arms dealers" that are guaranteed to profit. Data shows this trend is accelerating into monetization.

Theme Three: The K-Shaped Reality Amidst Divergence

—— Data Deciphered: Why did Qualcomm downgrade, while Vanguard International Semiconductor bucked the trend?

1. Data Evidence:

• Qualcomm (QCOM) EPS Downgrade: -7.2% (Stock price plummeted -10%)
• Vanguard International Semiconductor (5347.TWO) EPS Upgrade: +12.6% (Stock price oversold -16.4%)

2. In-depth Industry Logic Analysis: The most brutal aspect of this week's data lies in revealing the K-shaped divergence in the semiconductor industry.

• The Winter for Mobile (Qualcomm): Qualcomm's double hit (EPS downgrade, stock price fall) is a strong warning signal. This confirms that the recovery of the mobile market (especially the Android camp in China) is weaker than expected, and the replacement wave for Edge AI smartphones has not truly erupted. The "stocking momentum" after inventory destocking has stalled, leading analysts to revise down full-year outlooks.
• Rebirth of Niche in Mature Process (Vanguard International Semiconductor): In contrast, why did Vanguard International Semiconductor's EPS buck the trend and rise by 12% amidst a generally price-slashing environment for mature processes? This points to a shortage in "Specialty Process". As the design of AI edge devices becomes more complex, the demand for PMICs (power management) and DDICs (display driver ICs) has not decreased. Furthermore, Vanguard International Semiconductor's strategic布局 in its Singapore fab has正好 captured the order transfer effect from de-sinicization. The market instinctively sold off the stock (price fell 16%) just because it was labeled "mature process," but quantitative data (EPS up 12%) shows its fundamentals are improving. This is a classic case of "Labeling Mispricing."

Conclusion: Avoid pure consumer electronics (such as mobile chips). Capital is shifting from a story of "broad recovery" to "niche-specific" defensive targets. Vanguard International Semiconductor's consensus gap (Gap +29%) offers an excellent risk-reward ratio.

【Phase Three: Taiwan-US Linkage and Consensus Shift Scan】

1. Taiwan-US Supply Chain Linkage (Cross-Border Link)

Comparison Group One: The Twin Engines of Advanced Packaging

• Protagonists: AMD (US Design) vs. ASE Technology Holding (Taiwan OSAT)
• Data Correlation: Perfect Positive Correlation (Correlation ≈ 1.0)
  • AMD (AMD.OQ): EPS Upgrade +66.3%
  • ASE Technology Holding (3711.TW): EPS Upgrade +66.9%
• Linkage Analysis (Logic): This is the most stunning "coincidence" in this week's database. Previously, the market believed that AMD MI300 was limited by CoWoS capacity, imposing a ceiling on shipments. However, this week's synchronous 66% surge in EPS for both confirms that "capacity spillover" has occurred—AMD has successfully bypassed the bottleneck and is extensively adopting ASE Technology Holding's advanced packaging solutions (VIPack).
• Valuation Impact (Re-rating):
  • Current Status: AMD's stock price has fallen (-15%) due to hedging sentiment, while ASE Technology Holding's stock price has only slightly increased (+2.5%).
  • Conclusion: Fundamentals have drastically changed, but the stock price has not yet reacted. This 64% consensus gap means ASE Technology Holding is on the cusp of a historically significant "catch-up rally." Once market sentiment stabilizes, it will be the large-cap stock in Taiwan's market with the strongest rebound potential.

Comparison Group Two: The Mobile Trap vs. The Hidden Gem of Mispricing

• Protagonists: Qualcomm (US Mobile) vs. Vanguard International Semiconductor (Taiwan Mature Process)
• Data Divergence: Negative Decoupling (Divergence)
  • Qualcomm (QCOM.OQ): EPS Downgrade 7.2% (Stock price -10%)
  • Vanguard International Semiconductor (5347.TWO): EPS Upgrade +12.6% (Stock price oversold -16%)
• Linkage Analysis (Logic): Qualcomm's double hit confirms that the mobile market (especially the Android camp in China) is recovering less than expected. Logically, Vanguard International Semiconductor, as part of the supply chain, should be affected, but data shows its EPS was revised upwards against the trend. This suggests that Vanguard International Semiconductor's capacity utilization support "does not come from mobile," but rather from PMIC (power management) urgent orders and outsourced transfers from IDM manufacturers.
• Valuation Impact (Re-rating): The market instinctively sold off the stock (price fell 16%) just because it was labeled "mature process" and followed Qualcomm. However, quantitative data proves this is incorrect. Vanguard International Semiconductor's earnings are improving, yet its stock price is being dumped like a bad stock. This is a classic case of "Mispricing," offering an excellent entry point for contrarian investors.

2. Market Consensus Shift Scan (Consensus Monitor)

(1) Top 10 EPS Upgrade List (The Alpha List)

This week's top 10 stocks with the strongest earnings momentum and most concentrated analyst consensus:

(Note: List sorted by EPS upgrade magnitude, excluding low-liquidity stocks)

(2) Consensus Gap Scan (Consensus Gap)

Gap = EPS Change% - Stock Price Change%. A larger positive value indicates the stock price is more undervalued (buy signal), a negative value indicates the stock price is overheated (sell signal).

🚀 Greatest Opportunities (Gap > 20%): Buy Signal

• AMD (Gap +81%) & ASE Technology Holding (Gap +64%):
  • Reason: The largest "expectation gap" in the entire market. While the entire market is concerned about an AI bubble, analysts are furiously upgrading the earnings of these two companies. The stock price decline is purely emotional, with extremely strong fundamental support, and a V-shaped reversal could occur at any time.
• Vanguard International Semiconductor (Gap +29%):
  • Reason: EPS upgraded (+12%) but stock price plummeted (-16%). This is unreasonable. The market misjudged its order transfer effects, and a value restoration rally is imminent.
• Winbond Electronics (Gap +24%):
  • Reason: EPS remained flat (0%), but the stock price plunged (-23.9%). This falls into the "Oversold" category. Although memory recovery is slow, the stock price has fallen as much as it can.
• Phison Electronics (Gap +22%):
  • Reason: EPS slightly increased (+1.6%), but the stock price sharply declined (-20%). NAND price volatility has been overly priced in, suitable as a short-term rebound play.

⚠️ Greatest Risks (Gap < 0): Sell/Avoid Signal

• Himax Technologies (HIMX) (Gap -22%):
  • Reason: EPS significantly downgraded (-24%), while the stock price only slightly fell (-2%). Significant downside pressure from further declines, typical of weakening fundamentals.
• Arm Holdings (Gap -14%):
  • Reason: Overheated Valuation. Although EPS slightly increased (+1%), the stock price surged (+15%). The market has placed excessively high expectations on IP licensing, and any slight disturbance could trigger a multi-party sell-off.
• Auras Technology / Dual Horn Technology (Thermal Solution Sector):
  • Reason: Some thermal solution stocks show flat EPS but continued stock price increases (Gap < -10%). Watch out for correction risks after positive news is fully priced in.

【Phase Four: Conclusion】

1. Market Consensus Summary: Barbell Strategy

This week's quantitative data points to a clear market capital allocation direction: "Embrace high consensus gap AI infrastructure" combined with "Focus on niche turnaround stocks that have been oversold," while "Avoiding inflated consumer electronics."

• Offensive Side: Target AI Supply Chains with "Capacity Bottleneck Breakthroughs" Data shows that EPS upgrades for AI computing and advanced packaging sectors significantly outpaced the market, but their stock prices have recently been suppressed by hedging sentiment. This combination of "record-high earnings expectations + stock price pullback (High Gap)" indicates that the market has not fully digested the positive impact of capacity spillover.
  • Market View: Capital is expanding from pure GPU chips to peripheral industries that solve "physical bottlenecks," including advanced packaging (CoWoS/Fan-out) and vertical power delivery. The fundamentals of these sectors have already outpaced stock price reactions, supported by significant data.
• Defensive Side: Focus on "Labeled and Mispriced" Specialty Processes The market currently holds a more pessimistic view of "mature processes," leading to valuation discounts (Gap > 20%) for some wafer foundries with order transfer effects (e.g., PMIC, urgent automotive orders).
  • Market View: Data shows that EPS for some mature process stocks have been revised upwards against the trend, diverging from plummeting stock prices. These stocks, having already priced in most negative news, are prone to a valuation re-rating (Re-rating) rally once revenue data confirms a turnaround.
• Hedging Side: Conservative Outlook on "Weakening Fundamentals" in Mobile/IP Sectors Data clearly indicates that earnings estimates for leading mobile chip companies are being revised downwards, and stock price gains for some IP (Intellectual Property) companies have far outstripped earnings growth (negative consensus gap).
  • Market View: For stocks with excessively high P/E ratios and lacking substantial earnings upgrade support, market consensus is becoming conservative. The end of inventory adjustments is longer than expected, and the consumer electronics sector is unlikely to perform well in the short term.

2. Risk Warning

• Trap One: "Short-term Order Illusion" in Mature Processes Although EPS for some mature process stocks have been revised upwards, investors need to carefully distinguish between "long-term agreements (LTA)" and "rush orders." Quantitative data suggests that if it's merely short-term inventory replenishment orders, the stock price rebound will lack sustainability. Continuous monitoring of revenue momentum over the next month is required.
• Trap Two: "Time Lag" Risk in Taiwan-US Linkage We expect the supply chain in Taiwan to follow leading US stocks. However, if the broader US market (Nasdaq) undergoes a systemic correction, the catch-up effect in Taiwan stocks might be offset by the overall market decline, or even lead to simultaneous declines.
• Trap Three: Valuation Correction for IP Stocks While the long-term story for some Intellectual Property (IP) companies is promising, quantitative data shows that their "target price upgrade momentum" has already shown signs of fatigue. In an environment where interest rates remain high, high-valuation stocks are most vulnerable to sell-offs, and liquidity risk should be guarded against.

Disclaimer

【Disclaimer】 This report is for academic research, quantitative data validation, and information exchange purposes only. The data, charts, individual stocks, and analysis results mentioned in the report are based on historical data and quantitative model calculations. They do not guarantee future stock price performance, nor do they constitute an offer, solicitation, recommendation, opinion, or any guarantee for any securities, financial products, or instruments. Investors should independently assess market conditions and bear investment risks themselves. The information contained in this report is based on sources generally believed to be reliable, but its accuracy or completeness is not guaranteed. Our company and its analysts assume no legal responsibility for any profits or losses. Please do not use this report as the sole basis for investment decisions.