TOP TIERMARKET NEWSWIRE
Movers explained · 2026-07-28

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

Why Is APPLIED OPTOELECTRON (AAOI) Stock Down Today?

By the Top Tier Newswire AI Desk · July 28, 2026 at 2:28 PM ET · reviewed against 1 wire stories

APPLIED OPTOELECTRON (AAOI) is down -11.51% in the latest session. Our newswire has captured 1 story on AAOI across 1 source in the last 36 hours, with AI sentiment reading bearish (avg 34/100).

AAOI stock fell 11.51% to $86.56 on Tuesday, driven by a sharp decline in optics and semiconductor-related equities following a line in Alphabet’s earnings report that cast doubt on the pace of AI spending. The stock opened with a 4.3% gap down and continued to weaken throughout the session, reaching a low of $81.54 before settling near $86.61. The move reflects broader investor skepticism about near-term demand for high-end optical components used in AI infrastructure.

What Happened

The stock’s sharp decline came amid a broader selloff in optics and laser companies, including Coherent and Lumentum. A single line in Alphabet’s earnings report, which suggested the company was “careful with capital spending” on AI infrastructure, triggered a reassessment of the sector’s growth trajectory. Applied Optoelectronics, which has seen a triple-digit rise this year, is now under pressure as traders scale back expectations for near-term revenue from AI-driven demand.

The stock’s intraday performance showed a rapid deterioration in sentiment. After opening at $93.64, the stock dropped more than $12 by mid-morning and traded in a narrow range for the remainder of the session. Volume so far has reached 6.3 million shares, more than half the 3-month daily average, indicating increased participation in the decline.

What The Data Shows

AAOI has a market cap of $8.0 billion and remains unprofitable, with a trailing 12-month EPS of -0.66 and a net margin of -8.5%. Revenue has grown 64.3% in the past year, but the stock’s high beta of 3.69 makes it particularly sensitive to shifts in market sentiment. Over the last eight sessions, the stock has fallen 5.6% from $103.67 to $97.82. Recent insider transactions also show a pattern of selling, with 20 reported sales totaling $87.5 million in the last 90 days.

What To Watch

The company is not scheduled to report earnings in the near term, but coverage breadth and sentiment will be key to watch. With optics stocks now facing renewed scrutiny, further downward pressure could follow if AI spending expectations remain subdued.

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

AAOI by the numbers

Last: $86.56Session: -11.51%7 sessions: -13.25%Coverage: 1 stories / 1 sourcesAI sentiment: 34/100 (bearish)Mkt cap: $8.0B52w: $18.50 to $233.67
AAOI · Jul 28 session (5-min) · -8.63% vs prior close · updated 8:50 PM ET
$80.78$89.78$98.78prev close $97.82$89.387:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $92.277:05 AM · $92.207:10 AM · $91.167:15 AM · $92.207:20 AM · $92.247:25 AM · $91.507:30 AM · $91.207:35 AM · $91.577:40 AM · $91.747:45 AM · $92.157:50 AM · $92.007:55 AM · $92.348:00 AM · $92.258:05 AM · $92.168:10 AM · $92.008:15 AM · $92.508:20 AM · $92.008:25 AM · $92.008:30 AM · $91.508:35 AM · $91.158:40 AM · $91.738:45 AM · $92.158:50 AM · $91.748:55 AM · $91.419:00 AM · $90.609:05 AM · $91.839:10 AM · $91.409:15 AM · $91.909:20 AM · $91.699:25 AM · $92.999:30 AM · $88.309:35 AM · $85.619:40 AM · $84.789:45 AM · $84.299:50 AM · $83.319:55 AM · $82.8010:00 AM · $84.1810:05 AM · $82.7610:10 AM · $82.1610:15 AM · $81.7410:20 AM · $81.8310:25 AM · $82.9010:30 AM · $83.1910:35 AM · $83.8210:40 AM · $84.6410:45 AM · $86.7510:50 AM · $86.7110:55 AM · $87.0111:00 AM · $85.8111:05 AM · $86.4511:10 AM · $85.7111:15 AM · $85.9311:20 AM · $87.4711:25 AM · $87.1611:30 AM · $87.5411:35 AM · $87.6511:40 AM · $88.0011:45 AM · $88.5011:50 AM · $87.9311:55 AM · $88.1212:00 PM · $88.0612:05 PM · $87.0812:10 PM · $87.0212:15 PM · $87.4112:20 PM · $87.2912:25 PM · $87.7012:30 PM · $87.4312:35 PM · $88.0812:40 PM · $88.3012:45 PM · $88.3612:50 PM · $88.9112:55 PM · $88.641:00 PM · $88.191:05 PM · $87.861:10 PM · $87.821:15 PM · $87.921:20 PM · $87.941:25 PM · $87.941:30 PM · $88.191:35 PM · $87.811:40 PM · $87.451:45 PM · $87.711:50 PM · $87.431:55 PM · $87.602:00 PM · $87.262:05 PM · $87.062:10 PM · $86.542:15 PM · $86.612:20 PM · $86.772:25 PM · $86.822:30 PM · $87.122:35 PM · $86.942:40 PM · $87.282:45 PM · $87.402:50 PM · $87.332:55 PM · $87.373:00 PM · $88.203:05 PM · $87.813:10 PM · $88.163:15 PM · $88.143:20 PM · $88.863:25 PM · $88.913:30 PM · $89.053:35 PM · $88.303:40 PM · $88.503:45 PM · $88.253:50 PM · $88.383:55 PM · $88.174:00 PM · $87.504:05 PM · $87.564:10 PM · $88.094:15 PM · $87.884:20 PM · $88.444:25 PM · $88.504:30 PM · $88.684:35 PM · $88.624:40 PM · $88.504:45 PM · $88.794:50 PM · $88.454:55 PM · $88.395:00 PM · $88.795:05 PM · $88.775:10 PM · $88.685:15 PM · $88.305:20 PM · $88.415:25 PM · $88.565:30 PM · $88.505:40 PM · $88.205:45 PM · $88.305:50 PM · $88.475:55 PM · $88.396:00 PM · $88.426:05 PM · $88.786:10 PM · $88.796:15 PM · $88.306:20 PM · $88.136:25 PM · $88.796:30 PM · $87.996:35 PM · $87.606:40 PM · $87.556:45 PM · $86.376:50 PM · $85.666:55 PM · $85.587:00 PM · $85.077:05 PM · $86.007:10 PM · $86.487:15 PM · $86.507:20 PM · $86.577:25 PM · $87.207:30 PM · $87.257:35 PM · $87.977:40 PM · $87.907:45 PM · $88.017:50 PM · $89.007:55 PM · $89.38
AI sentiment, last 36h · averaged over 1 story · 34/100 bearish
AI sentiment 34/100 (bearish)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 agopublishYahoo Finance · sentiment 34 · Coherent Sinks 11%, Applied Optoelectronics Falls 10%, Lumentum Drops 9% as Traders Question AI Spending SpreeYahoo Finance · 34Coherent Sinks 11%, Applied Optoelectronics Falls 10%, Lumentum Drops 9% as Traders Quest…
1d agoYahoo FinanceBEARISH 34General

Coherent Sinks 11%, Applied Optoelectronics Falls 10%, Lumentum Drops 9% as Traders Question AI Spending Spree

Optics stocks that soared triple digits this year are getting hammered Tuesday, and the reason traces back to a single line in Alphabet

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

Earlier AAOI move explainers: 2026-07-29 · 2026-07-28 · 2026-07-24 · 2026-07-23 · 2026-07-22 · 2026-07-14 · 2026-07-13