COHR

The stock fell due to sector contagion from Corning's $2.0B equity offering, broader tech weakness, and ongoing insider sales pressure.

The stock surged on institutional positioning ahead of ECOC 2026, bullish analyst research updates, and positive earnings momentum.

Coherent announced product showcases for ECOC 2026, including its PhotonLink platform, driving optimism in AI optical infrastructure.

Shares rose 6.60% after a Deutsche Bank Buy initiation with a $400 target and anticipation of its new PhotonLink platform unveiling.

Shares surged due to bullish analyst endorsements and a sector-wide rotation back into AI optical networking hardware.

The stock fell due to a sector-wide sympathy selloff sparked by Marvell's earnings report and profit-taking following product news.

The stock fell due to optical sector contagion, insider selling by the CFO, and the launch of a dedicated short ETF targeting COHR.

The stock dropped due to post-earnings profit-taking, sector de-risking, and the launch of a new inverse-leveraged ETF.

The stock dropped due to profit-taking, macro headwinds, and the launch of a 2x inverse leveraged ETF following a recent rally.

Shares surged after Coherent announced customer sampling of 300mm SiC substrates for AI and analysts raised price targets up to $500.

Shares dropped due to profit-taking, gross margin guidance below expectations, high CapEx for expansion, and industrial market weakness.

Shares fell as Q1 gross margin guidance was softer than whisper expectations, triggering profit-taking despite strong Q4 earnings.

The stock surged following rival Lumentum's blowout results, pre-earnings positioning, and Coherent's own Q4 earnings beat and raise.

Heavy profit-taking and institutional pre-earnings position trimming following a 44% five-session rally drove the stock lower.

COHR surged due to strong peer earnings from AAOI, draft FCC rules on Chinese transceivers, and bullish pre-earnings analyst targets.

Reports of U.S. restrictions on Chinese optical transceivers boosted demand for domestic suppliers alongside strong AI capex.

Coherent surged following reports of a proposed U.S. ban on Chinese optical transceivers alongside a rebound in AI optics hardware.

Reports revealed the U.S. is drafting restrictions to ban Chinese optical transceivers and data center components.

The stock surged due to a sector-wide capital rotation into AI optics and pre-earnings positioning ahead of its Q4 report.

Conservative Q3 guidance from peer Corning sparked sector-wide fears of slowing hyperscaler spending on AI optical infrastructure.

The stock plunged due to hyperscaler capex fears from Alphabet, CFO insider selling, and weak sector guidance from Corning.

The stock dropped due to a sector-wide selloff triggered by peer Corning's inline guidance and broader AI capex ROI concerns.

Shares dropped due to a broad cross-market selloff and profit-taking wave across AI infrastructure, chip, and optical networking stocks.

The stock surged due to a sector-wide AI optics rebound, strong Q4 guidance, and accelerated optical component capacity expansion.

Shares dropped due to a sector-wide AI hardware selloff triggered by TSMC raising its capex target and warning of margin compression.

A sector-wide momentum unwind and hedge fund de-risking across AI semiconductor and photonics equities drove the stock lower.

The stock fell due to a sector-wide profit-taking wave and de-risking in high-beta AI photonics and optical hardware equities.

The stock fell due to a sector-wide deleveraging and profit-taking rotation across AI optical networking hardware stocks.

The stock fell due to sector-wide institutional profit-taking across AI optics stocks rather than negative company-specific news.

The stock dropped due to a broader risk-off rotation and sector-wide profit-taking across AI photonics and semiconductor equipment names.