TOP TIERMARKET NEWSWIRE
Movers explained · 2026-11-13

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

Why Is COHERENT CORP (COHR) Stock Down Today?

By the Top Tier Newswire AI Desk · November 13, 2026 at 10:14 AM ET · reviewed against 6 wire stories

COHERENT CORP (COHR) is down -9.29% in the latest session. Our newswire has captured 6 stories on COHR across 5 sources in the last 36 hours, with AI sentiment reading bullish (avg 58/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

Coherent Corp (COHR) shares fell 9.29% to $210.52, marking a sharp reversal after a recent rally. The primary driver appears to be a broader retreat in AI hardware stocks, compounded by a dispute over Chinese optical parts that affected peers in the sector.

What Happened

The decline occurred as two U.S. optical suppliers, Lumentum and Applied Optoelectronics, fell 4% amid a fight over Chinese transceivers reaching the White House. While Coherent held steady relative to those peers in earlier sessions, it joined the broader sector pullback today. The company recently announced it was named to the Forbes America's Best Companies list for the second consecutive year. Additionally, CEO James Anderson and Director Enrico Digirolomo recently purchased shares, with Anderson buying 5,000 shares and Digirolomo buying 1,000 shares in early November.

What The Data Shows

The stock opened at $232.05 and hit a session high of $237.00 at 8:30 AM ET before sliding to a low of $209.80 at 10:10 AM ET. Volume stood at 1.7 million shares, which is 0.2x the 3-month daily average. Fundamentals show a market cap of $46.2 billion and a P/E of 47.8, with revenue up 30.8% over the trailing twelve months. The 52-week range spans from $130.42 to $440.00. Over the last eight sessions, the stock had moved up 11.9% prior to today's drop. Insider activity over the last 90 days includes two buys totaling $1.2 million and eight sells totaling $9.1 million.

What To Watch

Analysts have flagged Coherent as an undercovered stock with Strong Buy or Buy ratings tied to catalysts and valuation resets. Investors will likely monitor the resolution of the dispute regarding Chinese optical parts and the stock's reaction to its recent 52-week highs and lows.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

COHR by the numbers

Last: $210.52Session: -9.29%7 sessions: +11.82%Coverage: 6 stories / 5 sourcesAI sentiment: 58/100 (bullish)Mkt cap: $46.2BP/E: 47.852w: $130.42 to $440.00
COHR · today's session (5-min) · -8.52% vs prior close · updated 8:08 PM ET
$207$222$238prev close $232.08$212.307:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $234.217:05 AM · $233.097:10 AM · $233.507:15 AM · $233.317:20 AM · $233.297:25 AM · $233.297:30 AM · $232.227:35 AM · $231.007:40 AM · $231.507:45 AM · $230.907:50 AM · $230.867:55 AM · $230.718:00 AM · $230.758:05 AM · $231.008:10 AM · $231.508:15 AM · $231.188:20 AM · $231.778:25 AM · $232.468:30 AM · $236.468:35 AM · $235.588:40 AM · $234.028:45 AM · $233.018:50 AM · $233.768:55 AM · $232.689:00 AM · $233.589:05 AM · $233.219:10 AM · $233.509:15 AM · $234.479:20 AM · $234.009:25 AM · $230.019:30 AM · $230.139:35 AM · $228.209:40 AM · $222.599:45 AM · $220.349:50 AM · $220.639:55 AM · $218.6910:00 AM · $215.5010:05 AM · $214.2010:10 AM · $209.8910:15 AM · $210.0210:20 AM · $210.9310:25 AM · $212.5210:30 AM · $211.0910:35 AM · $209.2110:40 AM · $209.7810:45 AM · $210.7910:50 AM · $210.4010:55 AM · $211.5711:00 AM · $208.3411:05 AM · $209.2511:10 AM · $209.0011:15 AM · $208.9211:20 AM · $210.5711:25 AM · $211.2411:30 AM · $211.3211:35 AM · $210.4811:40 AM · $210.5111:45 AM · $210.0511:50 AM · $212.0011:55 AM · $212.3212:00 PM · $212.5012:05 PM · $214.4312:10 PM · $213.6512:15 PM · $212.7112:20 PM · $211.8412:25 PM · $212.9312:30 PM · $212.8312:35 PM · $212.1112:40 PM · $213.1012:45 PM · $212.9412:50 PM · $212.5012:55 PM · $212.081:00 PM · $211.761:05 PM · $212.291:10 PM · $212.591:15 PM · $213.111:20 PM · $213.781:25 PM · $214.781:30 PM · $214.851:35 PM · $215.671:40 PM · $215.891:45 PM · $215.211:50 PM · $216.001:55 PM · $215.992:00 PM · $216.922:05 PM · $218.162:10 PM · $217.232:15 PM · $219.032:20 PM · $218.792:25 PM · $218.942:30 PM · $218.532:35 PM · $218.892:40 PM · $218.222:45 PM · $217.782:50 PM · $217.492:55 PM · $218.753:00 PM · $218.543:05 PM · $218.423:10 PM · $218.253:15 PM · $217.783:20 PM · $217.943:25 PM · $217.193:30 PM · $216.723:35 PM · $216.873:40 PM · $216.983:45 PM · $217.533:50 PM · $219.263:55 PM · $218.164:00 PM · $217.344:05 PM · $215.004:10 PM · $218.154:15 PM · $215.284:20 PM · $214.744:25 PM · $215.644:30 PM · $213.504:35 PM · $214.074:40 PM · $214.004:45 PM · $215.254:50 PM · $214.374:55 PM · $214.155:00 PM · $214.295:05 PM · $214.105:10 PM · $213.365:15 PM · $214.005:20 PM · $214.445:25 PM · $213.305:30 PM · $213.485:35 PM · $213.105:40 PM · $213.525:45 PM · $212.915:50 PM · $212.815:55 PM · $212.456:00 PM · $212.386:05 PM · $212.506:10 PM · $213.356:15 PM · $212.906:20 PM · $212.476:25 PM · $213.436:30 PM · $213.206:35 PM · $213.146:40 PM · $213.016:45 PM · $212.946:50 PM · $213.646:55 PM · $213.577:00 PM · $213.797:05 PM · $213.927:10 PM · $213.807:15 PM · $213.857:20 PM · $213.747:25 PM · $213.617:30 PM · $213.267:35 PM · $213.277:40 PM · $213.107:45 PM · $212.727:50 PM · $212.537:55 PM · $212.30
AI sentiment, last 36h · averaged over 6 stories · 58/100 bullish
AI sentiment 58/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 6 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSeeking Alpha · sentiment 63 · Undercovered Dozen: Coherent, Bank Of America, MaxLinear And MoreSeeking Alpha · 63Undercovered Dozen: Coherent, Bank Of America, MaxLinear And MoreGuruFocus · sentiment 64 · Coherent Corp (COHR) CEO James Anderson Buys 5,000 SharesGuruFocus · 64Coherent Corp (COHR) CEO James Anderson Buys 5,000 SharesGuruFocus · sentiment 64 · Director Enrico Digirolomo Buys 1,000 Shares of Coherent Corp (COHR)GuruFocus · 64Director Enrico Digirolomo Buys 1,000 Shares of Coherent Corp (COHR)24/7 Wall St. · sentiment 38 · Lumentum and Applied Optoelectronics Fall 4% as Microsoft Pushes Back on Ban on Chinese Optical Parts; Coherent Holds Steady24/7 Wall St. · 38Lumentum and Applied Optoelectronics Fall 4% as Microsoft Pushes Back on Ban on Chinese O…The Fly · sentiment 63 · Coherent Call Volume Above Normal And Directionally Bullish Thefly News 3The Fly · 63Coherent Call Volume Above Normal And Directionally Bullish Thefly News 3Business Insider · sentiment 58 · Coherent Named to Forbes America's Best Companies List for Second Consecutive YearBusiness Insider · 58Coherent Named to Forbes America's Best Companies List for Second Consecutive Year
1d agoBusiness InsiderBULLISH 58Product/PR

Coherent Named to Forbes America's Best Companies List for Second Consecutive Year

SAXONBURG, Pa., Nov. 12, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), the global leader in photonics, today announced that it has been ...

1d agoThe FlyBULLISH 63General

Coherent Call Volume Above Normal And Directionally Bullish Thefly News 3

1d ago24/7 Wall St.BEARISH 38General

Lumentum and Applied Optoelectronics Fall 4% as Microsoft Pushes Back on Ban on Chinese Optical Parts; Coherent Holds Steady

Two U.S. optical suppliers that have fueled the expansion of AI data centers are losing ground as AI hardware stocks retreat and a fight over Chinese transceivers reaches the White House. Lumentum (NASDAQ:LITE) stock is at $623.58 in Thursday’s afternoon trading, down 4%. Applied Optoelectronics (NASDAQ:AAOI) stock is trading at $53.89, down 4%. The broader […]

1d agoGuruFocusBULLISH 64General

Director Enrico Digirolomo Buys 1,000 Shares of Coherent Corp (COHR)

1d agoGuruFocusBULLISH 64General

Coherent Corp (COHR) CEO James Anderson Buys 5,000 Shares

1d agoSeeking AlphaBULLISH 63Analyst

Undercovered Dozen: Coherent, Bank Of America, MaxLinear And More

Analysts see 12 undercovered stocks as opportunities, with Strong Buy or Buy ratings tied to catalysts and valuation resets, including Coherent

Want the next move before the crowd? The live terminal streams every headline in real time with watchlist alerts, AI sentiment, and the full data stack behind this page.Get Pro Access →

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

Earlier COHR move explainers: 2026-11-13 · 2026-11-11 · 2026-10-30 · 2026-10-09 · 2026-10-08 · 2026-10-02 · 2026-10-01 · 2026-09-18 · 2026-09-17 · 2026-09-16 · 2026-09-15 · 2026-09-14 · 2026-09-08 · 2026-09-04 · 2026-08-25 · 2026-08-24 · 2026-08-19 · 2026-08-18 · 2026-08-17 · 2026-08-10