TOP TIERMARKET NEWSWIRE
Movers explained · 2026-07-27

Archived explainer. For the current picture see today's AMKR page.

Why Is AMKOR TECHNOLOGY INC (AMKR) Stock Down Today?

By the Top Tier Newswire AI Desk · July 27, 2026 at 2:46 PM ET · reviewed against 1 wire stories

AMKOR TECHNOLOGY INC (AMKR) is down -7.51% in the latest session. Our newswire has captured 1 story on AMKR across 1 source in the last 36 hours, with AI sentiment reading mixed (avg 55/100).

Why AMKR stock is down today

AMKR stock fell 7.51% to $60.08 in a volatile session marked by a sharp intraday decline. The stock opened with a 3.5% gap up but quickly reversed course, falling to a low of $58.55 before stabilizing near $60.02 at the close. The move appears to be driven by a combination of broader market pressures, including a significant drop in oil prices and a sell-off in chip stocks, as well as anticipation of upcoming earnings reports.

What Happened

AMKR opened at $67.25, reflecting a strong gap up from the previous day’s close of $64.96. However, the stock quickly reversed direction and dropped through key levels throughout the morning. By 10:40 AM ET, it had fallen to $58.55, a level that marked one of the session’s lowest points. The stock closed near $60.02, still down significantly from its opening price. The session’s volume of 5.3 million shares was 1.1 times the 3-month average, indicating heightened trading activity. This sharp reversal came as broader market indices also faced downward pressure, with reports highlighting a 8% drop in oil prices and a broader chip sector sell-off.

What The Data Shows

The stock is currently trading within its 52-week range of $20.86 to $96.68, with a market cap of $16.1 billion. It carries a P/E ratio of 37.4 and has reported revenue growth of 12.7% in the trailing twelve months. The stock’s beta of 2.21 suggests it is more volatile than the broader market. Recent insider activity has also been bearish, with seven sell transactions totaling $6.2 million in the past 90 days. No unusual options activity or retail chatter has been reported in the last 24 hours.

What To Watch

AMKR is expected to report its second-quarter earnings soon, as highlighted in recent analyst coverage. The company’s performance will be closely monitored for signs of resilience amid broader market challenges.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Not financial advice.

AMKR by the numbers

Last: $60.08Session: -7.51%7 sessions: -3.67%Coverage: 1 stories / 1 sourcesAI sentiment: 55/100 (mixed)Mkt cap: $16.1BP/E: 37.452w: $20.86 to $96.68
AMKR · Jul 27 session (5-min) · -13.13% vs prior close · updated 8:56 PM ET
$55.51$61.70$67.88prev close $64.96$56.437:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $66.597:05 AM · $66.637:10 AM · $67.227:15 AM · $66.957:20 AM · $66.727:25 AM · $66.667:30 AM · $66.907:35 AM · $66.537:40 AM · $66.467:45 AM · $66.457:50 AM · $66.517:55 AM · $66.758:00 AM · $66.948:05 AM · $66.718:10 AM · $66.868:15 AM · $66.908:20 AM · $66.128:25 AM · $66.858:30 AM · $66.108:35 AM · $66.488:40 AM · $66.488:45 AM · $66.208:50 AM · $66.648:55 AM · $66.809:00 AM · $66.569:05 AM · $65.859:10 AM · $65.789:15 AM · $66.809:20 AM · $65.959:25 AM · $65.009:30 AM · $63.759:35 AM · $63.839:40 AM · $63.109:45 AM · $63.219:50 AM · $63.159:55 AM · $62.2910:00 AM · $60.9610:05 AM · $60.9110:10 AM · $60.3310:15 AM · $60.1810:20 AM · $59.8210:25 AM · $59.1710:30 AM · $58.9610:35 AM · $59.1610:40 AM · $58.6610:45 AM · $59.8710:50 AM · $60.1010:55 AM · $60.2811:00 AM · $59.9611:05 AM · $60.1311:10 AM · $59.6911:15 AM · $59.6311:20 AM · $59.3311:25 AM · $59.2511:30 AM · $59.0611:35 AM · $58.9811:40 AM · $59.1111:45 AM · $59.0111:50 AM · $59.1311:55 AM · $59.4612:00 PM · $59.8112:05 PM · $59.7712:10 PM · $59.5912:15 PM · $59.4412:20 PM · $59.6612:25 PM · $60.0912:30 PM · $60.1612:35 PM · $60.3412:40 PM · $60.1012:45 PM · $60.0512:50 PM · $59.5912:55 PM · $59.591:00 PM · $59.401:05 PM · $59.351:10 PM · $59.481:15 PM · $59.271:20 PM · $59.381:25 PM · $59.251:30 PM · $59.651:35 PM · $59.611:40 PM · $59.701:45 PM · $59.761:50 PM · $60.001:55 PM · $60.132:00 PM · $60.162:05 PM · $60.152:10 PM · $60.202:15 PM · $59.942:20 PM · $60.032:25 PM · $60.032:30 PM · $59.952:35 PM · $59.782:40 PM · $59.982:45 PM · $59.892:50 PM · $60.342:55 PM · $60.643:00 PM · $60.803:05 PM · $61.033:10 PM · $60.923:15 PM · $61.143:20 PM · $61.153:25 PM · $61.393:30 PM · $61.033:35 PM · $60.713:40 PM · $60.693:45 PM · $60.823:50 PM · $60.633:55 PM · $60.724:00 PM · $56.774:05 PM · $61.394:10 PM · $62.174:15 PM · $63.014:20 PM · $62.004:25 PM · $61.124:30 PM · $61.344:35 PM · $59.504:40 PM · $59.884:45 PM · $59.504:50 PM · $60.204:55 PM · $61.015:00 PM · $61.255:05 PM · $60.755:10 PM · $60.955:15 PM · $61.255:25 PM · $60.525:30 PM · $60.555:35 PM · $60.605:40 PM · $60.815:45 PM · $60.365:50 PM · $60.725:55 PM · $60.406:00 PM · $60.006:05 PM · $59.656:10 PM · $58.946:15 PM · $58.606:20 PM · $58.476:25 PM · $58.206:30 PM · $58.206:35 PM · $58.506:40 PM · $58.906:45 PM · $59.106:50 PM · $58.656:55 PM · $58.607:00 PM · $58.217:05 PM · $58.487:10 PM · $58.027:15 PM · $57.707:20 PM · $57.057:25 PM · $57.157:30 PM · $57.007:35 PM · $56.997:40 PM · $56.737:45 PM · $56.177:50 PM · $56.507:55 PM · $56.43
AI sentiment, last 36h · averaged over 1 story · 55/100 bullish
AI sentiment 55/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 1 story on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishTipRanks · sentiment 55 · Options Volatility and Implied Earnings Moves Today, July 27, 2026TipRanks · 55Options Volatility and Implied Earnings Moves Today, July 27, 2026
2d agoTipRanksBULLISH 55Earnings

Options Volatility and Implied Earnings Moves Today, July 27, 2026

Today, several major companies are expected to report earnings: Alliance Resource (ARLP), Amkor (AMKR), Cadence Design (CDNS), Celestica (CLS), Welltower (WELL), Nu...

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More on AMKR: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier AMKR move explainers: 2026-07-29 · 2026-07-28 · 2026-07-27 · 2026-07-24