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ADTN has plunged 46.2% in three months as execution issues hit margins, but fiber broadband and AI networking trends keep its long-term growth story alive.

Corning just handed investors one of the steepest single-stock declines in its peer group, yet at least one major Wall Street bank is responding by raising its price target to levels that would shock most bears right now.

Its history of deep, prolonged drops in market shocks is the real risk to weigh against today's AI-fueled growth story.

OpenAI IPO Delay Report Sparks Sharp Selloff in AI and Memory Stocks

Stock Market Today: The Dow Jones index dropped Wednesday after Tuesday's tech sell-off. FedEx dived on earnings.

Ciena Corporation (NYSE:CIEN) is among the Best Photonics Stocks. On June 10, Ciena Corporation (NYSE:CIEN) and Colt Technology Services reported they completed a transatlantic trial transmitting safe quantum data at 800GbE across 6,900km between New York and London. It marked one of the fastest demonstrations of its kind. The companies stated that the test used Ciena’s […]

While the rest of the market stumbled, one AI infrastructure player got a dose of very real, very good news.

It was a tough trading session for many tech stocks.

LITE's 15% drop highlights AI expansion risks, but rising CPO demand, earnings growth and hyperscaler spending may support a rebound.

It's floating a large-scale convertible notes issue.

US equity futures were mostly lower pre-bell Friday as a sell-off in tech stocks continued and the U

US equity futures were mostly lower pre-bell Friday as a sell-off in tech stocks continued and the U

Dow Jones futures fell slightly after hours, along with S&P 500 futures and Nasdaq futures. The May jobs report is on tap before Friday's open. The stock market saw the Dow Jones jump to a record high, aided by lower oil prices and Treasury yields.

The Dow Jones Industrial Average resumed its record-setting advance on Thursday, even as the technol

US benchmark equity indexes were higher intraday, even as a sell-off in Broadcom (AVGO) shares weigh

Ciena stated that the firm and its peers face shortages of critical components amid surging demand from hyperscalers and artificial intelligence customers.

Ciena stock fell after the optical gear maker's fiscal Q2 earnings and revenue modestly beat consensus estimates amid big share gains in 2026.

Investing.com -- Ciena Corporation (NYSE: CIEN) reported fiscal second-quarter results that exceeded analyst expectations, yet shares fell 5.7% premarket.

Photronics' Q2 FY26 EPS and revenue miss estimates as IC revenues fall on delayed chip design releases; gross margin shrinks, and Q3 guidance remains cautious.

Box tops Q1 EPS and revenue estimates, boosts FY27 outlook and buybacks, yet shares slip as Suite and AI mix keeps rising.

The AI optics trade is taking a breather. Shares of Applied Optoelectronics (NASDAQ:AAOI) are down 14% in midday trading, while Coherent (NYSE:COHR) is off 10% and Lumentum (NASDAQ:LITE) is sliding 7%. The selloff is sector-wide. Ciena (NYSE:CIEN) is lower by 10% and Fabrinet (NYSE:FN) is down 8%, confirming this is correlated basket selling rather than ... Applied Optoelectronics Crashes 14%, Coherent Slides 10%, Lumentum Falls 7% as Optics Trade Cools

While Ciena Corporation ( NYSE:CIEN ) shareholders have enjoyed a good week with stock up 15%, they need remain...