Amkor Technology (AMKR) Falls -21.6% Over 30 Days Despite Record Q2 Results
Key Takeaways
- Amkor Technology shares dropped approximately 21.6% over the past 30 days, closing at $55.27 on August 7, 2026, compared with $70.47 on July 10, 2026.
- The steepest single-day decline occurred on July 28, when the stock plunged roughly 25% despite reporting record Q2 2026 revenue and earnings that significantly exceeded analyst expectations.
- Third-quarter revenue guidance of $1.95 billion to $2.05 billion fell short of Wall Street's consensus estimate of approximately $2.09 billion, triggering the sell-off.
- A multi-year, $1.5 billion strategic partnership with NVDA and a 10-year advanced packaging agreement with TSM underscore Amkor's deepening role in the AI semiconductor supply chain.
- Over the last quarter, the stock declined roughly 28%, reflecting a broader correction from mid-June highs near $96.68 as elevated investor expectations collided with near-term headwinds.
Amkor Technology (AMKR) and Its Place in the Semiconductor Supply Chain
Amkor Technology, headquartered in Tempe, Arizona, is the world's largest U.S.-headquartered outsourced semiconductor assembly and test (OSAT) provider. The company offers advanced packaging, wafer-level processing, and system-in-package solutions that enable chipmakers to combine multiple silicon dies into high-performance, energy-efficient systems. Amkor's end markets span smartphones, data centers, artificial intelligence, automotive electronics, and IoT devices. Its global manufacturing footprint includes facilities across Asia—notably Korea, Vietnam, the Philippines, and Taiwan—alongside a major greenfield campus under construction in Arizona. Investors follow AMKR closely because the company sits at a critical bottleneck in the semiconductor value chain: without advanced packaging, leading-edge AI processors from companies like NVDA and AMD cannot reach end customers at scale. I also checked this using Tickeron’s AI Screener to see how the stock compares to others in the industry.
AMKR Stock Performance Over the Past 30 Days and Quarter
Over the 30-day period ending August 7, 2026, AMKR declined from $70.47 to $55.27, representing a loss of approximately 21.6%. The trajectory was anything but gradual. The stock entered the period already under pressure, having retreated from its 52-week high of $96.68 reached on June 16, 2026. Selling intensified following the company's Q2 2026 earnings release on July 27, when shares crashed from a July 27 close of $60.71 to $45.69 on July 28—a single-session wipeout of roughly 25%. A partial recovery followed in early August, with the stock clawing back into the mid-$50s.
Zooming out to the full quarter, the decline is even steeper. From a closing price of $76.61 on May 8, 2026, AMKR has fallen roughly 28%. This multi-month pullback reflects a broader reset in semiconductor valuations after a powerful rally earlier in the year, compounded by company-specific concerns around near-term revenue mix and operational transitions.
What Pushed AMKR Lower in the Last 30 Days
The dominant catalyst was Amkor's Q2 2026 earnings report, released after the market close on July 27. By nearly every fundamental measure, the quarter was outstanding. Revenue reached a record $1.90 billion, up 26% year-over-year and ahead of consensus estimates of approximately $1.81 billion. Earnings per share of $0.70 crushed Wall Street's forecast of $0.48. Gross margin expanded by more than 250 basis points sequentially to 16.8%, driven by higher factory utilization—which climbed from the 50% range into the high-70% range—and a richer product mix weighted toward advanced packaging for AI and computing applications.
Yet the market seized on one detail: third-quarter revenue guidance. Amkor projected Q3 revenue of $1.95 billion to $2.05 billion, with a midpoint of $2.0 billion falling below the analyst consensus of roughly $2.09 billion. The shortfall stemmed primarily from an expected high-single-digit sequential decline in the Communications segment—Amkor's largest end market at 42% of revenue—due to three converging factors: the relocation of system-in-package (SiP) production from Korea to Vietnam, ongoing high-bandwidth memory supply constraints weighing on Android-related sales, and shifting customer build patterns. Management cautioned that the SiP transition headwind could persist into the fourth quarter of 2026 and the first half of 2027.
Earlier in the period, a positive development arrived on July 23 when Amkor announced a multi-year, $1.5 billion strategic partnership with NVDA to expand advanced packaging and test capacity in the United States, centered on the Arizona campus. The news triggered a sharp after-hours rally, but those gains were erased within days as broader sector sentiment soured and attention shifted to the upcoming earnings report. From what I see, this highlights how quickly sentiment can shift even on strong results.
Drivers Behind the Broader Quarterly Decline in AMKR
The last quarter tells a story of a stock that had simply run too far, too fast. From late March through mid-June 2026, AMKR more than doubled as investors priced in the company's evolution from a legacy packaging provider into a strategic enabler of AI infrastructure. The 10-year agreement with TSM signed in June and the subsequent NVDA partnership cemented Amkor's position in the AI supply chain, but they also elevated expectations to levels that left no margin for error. When Q3 revenue guidance came in light—even as EPS and gross margin guidance exceeded analyst forecasts—the sell-off reflected the market's sensitivity to any perceived weakness in the Communications business, which investors fear could offset accelerating growth in Computing and Automotive segments for longer than anticipated. The broader semiconductor sector also faced rotational selling pressure during July, adding macro-level headwinds to Amkor's stock-specific challenges. I’m watching this closely as execution on the partnerships will be key.
AMKR Stock Outlook: Key Factors to Monitor
The near-term outlook for AMKR hinges on execution. Investors should monitor the pace of the SiP production transfer from Korea to Vietnam, as any delays or extended disruptions could prolong the Communications revenue softness beyond management's current timeline. On the positive side, the Computing segment is projected to grow nearly 30% sequentially in Q3, driven by AI data center demand and the ramp of a high-density fan-out (HDFO) CPU program—delivery on this forecast would reinforce the bull case that higher-margin advanced packaging can offset legacy headwinds. Gross margin trajectory remains critical: management guided Q3 gross margin to 18.5%–19.5%, and sustained expansion would validate the thesis that Amkor's business mix is structurally improving.
Macro factors also warrant attention. Any shifts in AI capital expenditure trends, semiconductor trade policy, or memory supply dynamics could influence Amkor's end-market demand. The company's $2.5 billion to $3.0 billion 2026 capital expenditure plan, including Phase 1 of the Arizona campus, represents a significant investment cycle—progress updates on facility commissioning and customer commitments will be key milestones. Analyst consensus currently rates AMKR a Moderate Buy, with price targets reflecting cautious optimism about the long-term AI packaging opportunity.
Using Tickeron AI Trading Bots for Deeper Insights
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AMKR sees its Stochastic Oscillator ascends from oversold territory
On September 18, 2026, the Stochastic Oscillator for AMKR moved out of oversold territory and this could be a bullish sign for the stock. Traders may want to buy the stock or buy call options. Tickeron's A.I.dvisor looked at 63 instances where the indicator left the oversold zone. In 49 of the 63 cases the stock moved higher in the following days. This puts the odds of a move higher at over 78%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on September 16, 2026. You may want to consider a long position or call options on AMKR as a result. In 69 of 95 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 73%.
The Moving Average Convergence Divergence (MACD) for AMKR just turned positive on September 04, 2026. Looking at past instances where AMKR's MACD turned positive, the stock continued to rise in 38 of 49 cases over the following month. The odds of a continued upward trend are 78%.
Following a +8.69% 3-day Advance, the price is estimated to grow further. Considering data from situations where AMKR advanced for three days, in 237 of 324 cases, the price rose further within the following month. The odds of a continued upward trend are 73%.
Bearish Trend Analysis
The 50-day moving average for AMKR moved below the 200-day moving average on September 11, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where AMKR declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 72%.
Fundamental Analysis (Ratings)
The Tickeron Valuation Rating of 30 (best 1 - 100 worst) indicates that the company is slightly undervalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (2.687) is normal, around the industry mean (7.599). P/E Ratio (22.556) is within average values for comparable stocks, (153.531). Projected Growth (PEG Ratio) (0.180) is also within normal values, averaging (0.796). AMKR has a moderately high Dividend Yield (0.007) as compared to the industry average of (0.002). P/S Ratio (1.548) is also within normal values, averaging (27.897).
The Tickeron PE Growth Rating for this company is 46 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Price Growth Rating for this company is 56 (best 1 - 100 worst), indicating fairly steady price growth. AMKR’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 63 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is 66 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 63, placing this stock slightly worse than average.
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General Information
a provider of outsourced semiconductor packaging and test services
Industry ElectronicProductionEquipment
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