Coherent Corp. (COHR)

About Coherent Corp.

Coherent is a US-based photonics and materials technology company specializing in communications components. The firm produces an extensive portfolio of photonic technologies, including transceivers, semiconductor lasers, and optical components for data center and telecommunications applications. Coherent plays a significant role in AI infrastructure by supplying high-speed optical connectivity that enables less power-hungry, lower-temperature data transmission within and between hyperscale data centers. The firm owns integrated manufacturing capabilities in several photonic substrates, including indium phosphide. Beyond optical data networking, Coherent serves industrial markets with lasers, materials for semiconductor and automotive production, and other precision applications.

As of November 3, 2026, Coherent Corp. (COHR) stock fell to $199.95, down 4.93% (-$10.37) versus the previous close. On the day, shares have traded between $198.65 and $219.03. That puts COHR in the lower third of its 52-week range of $123.75 to $440.00. Coherent Corp. operates in the optical instruments & lenses space and carries a market capitalization of roughly $41.42 billion, with about 9.59 million shares changing hands.

Latest COHR news

• Marvell and Lumentum Fell Hard. Their Supplier’s Stock Is Soaring247wallst.com· Nov 3, 8:11 AM ET
• Lumentum Sinks 19% on $115 Billion All-Stock Marvell Deal Billed as “Once in a Generation”tikr.com· Nov 2, 8:10 PM ET
• Coherent Vs Amphenol: Which Stock Is The Better Buy?trefis.com· Nov 2, 5:22 PM ET
• Cramer: “All the Copper in Data Centers Will Eventually Be Replaced” by Fiber. Lumentum Winstikr.com· Nov 2, 4:36 PM ET
• COHR Stock Draws Upgrade As Marvell’s $115B Lumentum Deal Highlights ‘Value Of Scarce AI Optics’stocktwits.com· Nov 2, 10:50 AM ET
• Oracle upgraded, Reddit downgraded: Wall Street's top analyst callsYahoo Finance· Nov 2, 9:55 AM ET
• Marvell Slides 3%, Lumentum Drops 6% on $115 Billion All-Stock Merger Deal; Coherent Climbs 2%247wallst.com· Nov 2, 8:53 AM ET
• Marvell Eyes a Swing for the AI Networking Fences as Markets Weigh Lumentum Price Tagmarketbeat.com· Nov 1, 1:05 PM ET

Source: Yahoo Finance RSS · Updated November 3, 2026

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• $COHR when a part gets expensive enough, buyers fund a second source on purpose. seems like being essential in a boom is also how you get designed out when budgets turn

  @thatsolardude365· Nov 3, 6:19 AM ET

• $COHR now that Lite is no more independent, we are the next best game in town with pure play optics. We see 250 next week maybe even this week based on Lite's preannouncement trend

  @chintu76· Nov 3, 5:58 AM ET· Bullish

• $COHR optical links move the data inside the cluster. seems like that demand is only as real as the next cluster build, and one delayed build ripples through every supplier in the chain

  @thatsolardude365· Nov 3, 2:56 AM ET

• The target now trades ~11% below deal value. Optics went from momentum darlings to deal currency in a day. $COHR is −37% in a month. What did not break: demand. (6/9)

  @StockPlaza· Nov 2, 10:12 PM ET

• $COHR 130s would be interesting

  @T_L808· Nov 2, 9:24 PM ET

Source: Stocktwits. User posts are opinions, not verified facts. See what's trending →