NASDAQ:COHR 29 December 2025

Coherent stock: what to watch Tuesday after bondable diamond cooling launch

Coherent Corp’s shares ended Friday at $191.04, dropping about 2.5%. The photonics supplier will likely draw renewed focus as U.S. markets resume after the Martin Luther King Jr. Day holiday, driven by its rollout of a new thermal-management product line.

20 January 2026

NASDAQ:COHR·Stock Market

Coherent stock price in focus as COHR heads for Tuesday restart after product flurry

Coherent Corp shares closed Friday down 2.5% at $191.04, after reaching a high of $201.93 and dipping to $189.59 during the session.

19 January 2026

NASDAQ:COHR·Stock Market

Coherent stock swings into Tuesday reopen as analysts cite AI-optics demand, Photonics West

Coherent Corp shares closed Friday down 2.5%, slipping to $191.04 after a big bounce the day before. The photonics supplier had surged 6.4% on Thursday, reaching an intraday peak of $210.90 before retreating. Wall Street’s fresh price-target upgrades kept the stock in focus on AI-driven trading lists.

18 January 2026

NASDAQ:COHR·Stock Market·Technology

Coherent (COHR) stock jumps after-hours as new laser gear lands ahead of Photonics West

Coherent Corp shares rose in after-hours trading on Thursday, holding onto a strong session that pushed the stock as high as $210.89 before it eased back. The shares were last up 6.4% at $195.96, with about 7.0 million shares traded.

16 January 2026

NASDAQ:COHR·Stock Market·Technology

Coherent stock snaps back after steep slide as jobs data lifts tech — what COHR traders watch next

Coherent Corp. shares closed up 2.84% at $178.06 on Friday, clawing back some ground a day after the stock slid 9.64% in a sharp reversal that jolted the week’s highfliers. The stock traded between $167.50 and $181.55 in the session, with volume of about 5.46 million shares.

10 January 2026

NASDAQ:COHR·Stock Market·Technology

Coherent (COHR) stock slides nearly 10% as investors turn picky on AI-linked optics

Coherent Corp shares slid 9.6% to $173.31 in afternoon trading on Thursday, reversing earlier gains as a wave of selling hit some AI-linked hardware names. The stock ranged from $192.50 to $173.29, with volume running a bit above its recent average.

8 January 2026

NASDAQ:COHR·Stock Market

Ciena stock tumbles 14% as AI-networking names retreat — what investors watch next

Ciena Corp shares were down about 14% at $222.73 on Thursday, after ending Wednesday at $259.27 and touching $260 earlier in the session. Roughly 2.8 million shares had changed hands by early afternoon. Optical peer Lumentum Holdings fell about 11% and Coherent slid roughly 9%, while Arista Networks was down about 5%.

8 January 2026

NASDAQ:ANET·NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:LITE·Stock Market·Technology

Lumentum stock slides 8% as optics peers stumble; investors eye February earnings update

Shares of Lumentum Holdings Inc fell about 7.6% on Monday, extending a selloff across parts of the optical networking space even as the broader U.S. equity market held higher.

5 January 2026

Earnings Reports·NASDAQ:AAOI·NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:LITE·Stock Market

Lumentum stock rises 4% as AI data‑center optics rally kicks off 2026

Shares of Lumentum Holdings Inc rose 4.3% to $384.31 in afternoon trading on Friday, extending a strong run in AI-linked optical hardware names. The stock has traded between $374.87 and $391.92 so far in the session.

2 January 2026

Artificial Intelligence·Data Centers·NASDAQ:AAOI·NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:LITE

AAOI stock jumps 13% today as AI optics names rally and short interest stays high

Applied Optoelectronics Inc shares rose about 13% on Friday, trading at $39.55 after touching $39.58 earlier in the session. The Nasdaq-listed stock last closed at $34.86.

2 January 2026

NASDAQ:AAOI·NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:LITE

Lumentum stock rebounds today after Monday slide as year-end trading stays thin

Lumentum Holdings Inc shares rose 1.3% to $377.59 in midday trading on Tuesday, paring part of the prior session’s slide. The stock traded between $370.00 and $380.32, with about 800,000 shares changing hands.

30 December 2025

NASDAQ:AAOI·NASDAQ:COHR·NASDAQ:IPGP·NASDAQ:LASR·NASDAQ:LITE·Stock Market

Lumentum stock slides late as year-end tech pullback hits AI optics names

Lumentum Holdings Inc shares fell 4.6% to $372.61 in after-hours trading on Monday, after dropping as much as 6.7% earlier in the session. The stock traded between $364.50 and $390.00, with about 3.0 million shares changing hands.

30 December 2025

NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:IPGP·NASDAQ:LITE·Stock Market

Lumentum stock tumbles as year-end tech pullback hits AI optics names

Shares of Lumentum Holdings fell 4.1% to $374.87 by 12:56 p.m. ET, extending a pullback from last week’s highs.

29 December 2025

Artificial Intelligence·NASDAQ:CIEN·NASDAQ:COHR·NASDAQ:LITE·Stock Market·Technology

NASDAQ:COHR 29 December 2025 - 20 January 2026