Why AMKR Stock dropped -4.15% Today — RQD Quant Desk Flash

Per the Roarable RQD rating, AMKR scores 49 out of 100, earning a letter grade of D and the verdict "Roarable Sell — Underperform / Distribution Warning." The five pillars are: Fundamental Cash Engine at 9 / 20 (ROIC 8.4%; FCF yield 1.87%), Whale 13F Flow at 5 / 20 (institutional accumulation and options positioning), Insider Conviction at 12 / 20 (SEC Form 4 and Congressional PTR cluster flow), Macro Regime Fit at 9 / 20 (Beta 1.17; sector sensitivity), and Forensic Balance Sheet at 14 / 20 (Altman Z 3.47; Piotroski F 8/9; Debt/Equity 0.29).

Investor implications: the two lowest-scoring pillars, Whale Flow and Cash Engine, indicate that institutional positioning and free-cash-flow generation are the weakest evidence in the dataset. The strongest pillar, Forensic Balance Sheet, points to a financially sound structure, which supports resilience but does not by itself offset weak cash conversion. Valuation is a tradeoff: the trailing P/E of 27.3 and forward P/E of 25.4 sit against an FCF yield of 1.87%, so the market is paying a premium relative to recent cash generation. The Beta of 1.17 implies above-market sensitivity to broad moves, and the 52-week range of $29.76 to $96.68 shows substantial price volatility. The rating is an analytical summary of the source data, not a recommendation.

Amkor Technology Inc. is a NASDAQ-listed issuer classified under the Technology sector and Semiconductors industry. Per the SEC financials, the company generates revenue of $6.71B in FY 2025. Products, customer base, and specific revenue-generating activities are —

Per the recent news feed (all tagged to AMKR): one headline reports the stock sliding as the market rose; another reports nine consecutive red days with the stock down 21%; another references a 10-day losing streak with a 25% loss; one describes a fair-value trim as analysts split on AI demand; and one suggests the stock may be 47% undervalued given its cash flow outlook. Two items are tagged RISK WATCH or carry a RED light, specifically the 10-day losing-streak report, which is the only RED-flagged item. The remaining items carry YELLOW lights under MARKET WIRE. The underlying article content beyond these headlines is —

Proprietary signals: — (the Butterfly Supply-Chain Graph lists no proprietary signals).

Per the Butterfly Supply-Chain Graph, supply chain status is NONE and no butterfly links are recorded. Upstream and downstream dependencies: — Sector correlations beyond the Technology/Semiconductors classification: — Second-order bottlenecks: — Investors should note that the absence of mapped links means the dataset cannot confirm supplier or customer concentration risks.

Analyst consensus, price targets, and ratings: — (analyst data is NONE). SEC Form 4 insider transactions, 13F institutional holdings, and Congressional trades: — (holders data is NONE). The RQD pillar scores reference insider and whale flow qualitatively, but the underlying transaction records are —

• What are AMKR's primary products, end markets, and customer concentration, given that the business description is not available in source data?
• What drove the decline in free cash flow from $977.4M in FY 2023 to $191.0M in FY 2025 while revenue grew?
• What are the specific insider, 13F, and Congressional transactions underlying the Insider Conviction and Whale Flow pillar scores?
• What analyst price targets and consensus ratings exist, and how do they compare to the $41.21 price?
• Which upstream suppliers and downstream customers are linked to AMKR, given that the supply-chain graph reports no links?