Ciena Rises 4% as Optics Selloff Unwinds; Coherent Edges Higher, Corning Holds Steady

Ciena just bounced hard off a brutal month-long selloff, but Corning is barely moving while the broader market sits in the red. The divergence inside the optics sector points to something more specific than a simple reversal.

Published September 15, 2026, 11:59am ET · 3 min read

Market Movers desk. Editor: David Moadel.

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A close-up shot of a bundle of glowing optical fibers, fanning out from left to right against a dark blue to black background. The fibers on the left are a vibrant magenta and purple, gradually transitioning to bright pink and red specks on the right, culminating in an intensely glowing orange-yellow core at the far right, suggesting light emanating from the end of the bundle.
The rapid flow of data through fiber optics symbolizes the strong performance and potential for Applied Optoelectronics (AAOI) as its stock continues to climb. © Fiber optics lights abstract background (Shutterstock.com) by asharkyu

Ciena (NYSE:CIEN | CIEN Price Prediction) stock is leading an optics/photonics sector rebound in Tuesday morning trading, with CIEN shares up 4% to $332 as the prior session’s selloff in optics and networking names starts to unwind. The bounce follows a rough stretch in which Ciena has fallen 22.5% over the past month, giving it the most ground to recover among the group.

CIEN price target

Optics Selloff Reverses After Monday’s Rout

Ciena is climbing today after Corning was the worst-performing stock in the S&P 500 in Monday’s session, dragging optical and networking peers lower with it. Today the trade is going the other way. Corning (NYSE:GLW) stock, which sat at the center of the decline, is only up 0.5% to $144, essentially flat. Ciena is doing the heavy lifting on the rebound, which suggests the selling caught the stock harder than the underlying story justified.

The fundamental case for Ciena has not changed in a month. On its fiscal Q3 report earlier this month, Ciena posted revenue of $1.67 billion, up 37% year over year, with cloud provider revenue at 53% of total, up 82% YoY. Adjusted EPS of $2.11 beat the $1.7226 consensus. Ciena also raised its FY26 revenue guide to $6.42B and set a preliminary FY27 target of at least 30% revenue growth. CEO Gary Smith called the environment an “extraordinary industry demand environment that continues to accelerate,” and said Ciena expects to exit fiscal 2026 with over $10 billion in backlog.

CIEN earnings explorer

Coherent Edges Higher, Corning Barely Moves

Coherent (NYSE:COHR) stock is participating in the rebound, up 3% to $274, though it too enters today down 16% over the past month. Coherent’s last quarter delivered revenue of $2.05 billion, up 34% year over year, with the Datacenter & Communications segment at 79% of total revenue.

The uneven recovery cuts against the idea that this is a single trade simply reversing. Corning was the name at the center of Monday’s decline, and Corning is the one not really participating today. Ciena and Coherent, both of which entered the session with deeper month-long drawdowns, are the names attracting the bid. Optical peer Lumentum Holdings (NASDAQ:LITE) rounds out the peer group, having reported fiscal Q4 revenue of $1.0063 billion, up 109% year over year, with a fiscal Q1 revenue midpoint of $1.25 billion.

Sector Bid, Not a Market Bid

Today’s move in Ciena is specific to optics rather than a broader market rally. The iShares U.S. Technology ETF (NYSEARCA:IYW) is down 0.3% to $250. At the same time, the SPDR S&P 500 ETF Trust (NYSEARCA:SPY) is down 0.5% to $757. With both the tech fund and the broad market slightly red, the bid in Ciena and Coherent reflects money coming back into a corner that got hit disproportionately hard.

Ciena Stock: What to Watch

The bull case for Ciena stock is straightforward: the month-long drawdown looks like sector contagion rather than a shift in demand, and the AI-driven backlog story remains intact (we rounded up seven of the suppliers powering that data-center buildout, from optics to power, in a free report here).

The bear case is equally simple, though. One strong session inside a 22.5% monthly decline settles nothing. Keep an eye on Ciena stock into the close to see whether today’s gains hold, and watch for follow-through in Coherent and Lumentum. If Corning stays stuck near flat while Ciena runs, that divergence is the real signal.

Contact [email protected] for any questions or corrections.

David Moadel

David Moadel is financial writer specializing in stocks, ETFs, options, precious metals, and Bitcoin. David has written well over 1,000 articles for leading online publications, helping investors understand markets, income strategies, and risk.His work has appeared in The Motley Fool, InvestorPlace, U.S. News & World Report, TipRanks, ValueWalk, Benzinga, Market Realist, TalkMarkets, Finmasters, 24/7 Wall St., and others.With a master’s degree in education, David has taught at the elementary, high school, and college levels. That teaching background shapes his writing style: clear, educational, and practical. David has also built a loyal social-media audience by providing trustworthy financial content on YouTube, X/Twitter, and StockTwits.

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