Ciena Corp

Nokia's stock gained 1% Monday, partially recovering from a nearly 4% decline on Friday. The company continues to push its AI and fiber networking strategy while facing margin pressures.

Nokia shares gained after Morgan Stanley lifted its price target to €8.50, highlighting strong AI infrastructure demand. Trading volume more than doubled the 50-day average.

Corning shares advanced 6.5% to $137.50, driven by strong optical fiber demand and a major supply agreement with Meta Platforms. Sector peers Ciena and Lumentum also posted gains exceeding 6%.

Coherent Corp has introduced a high-speed 224Gbps quad-channel transimpedance amplifier designed for next-generation 800G and 1.6T optical transceivers in AI data centers. The company also debuted a new test instrument and will join the Bloomberg 500 index on March 12, following a $2 billion strategic investment from Nvidia.

Corning shares dropped sharply after Broadcom's leadership indicated a slower-than-expected transition to optical links within AI server racks, favoring copper for near-term scale-up connections. The shift pushes the anticipated inflection for advanced optics technology further into the future.

Corning shares surged 7.3% to a record high Friday after UBS upgraded the stock, highlighting robust fiber-optic demand from AI data center expansion. The stock's year-to-date gain is approaching 60%.

Lumentum Holdings surged nearly 5% Monday, leading a broader optics and networking stock rally. The move follows strong quarterly results and an upbeat outlook tied to data center expansion for artificial intelligence workloads.

Coherent Corp stock rallied over 7% after Bank of America raised its price target to $250, citing strong hyperscale capital expenditure trends. The optical components maker also provided its Q3 revenue and earnings guidance.

Ciena shares advanced as the stock joined the S&P 500 index, triggering passive fund inflows. The move comes amid a volatile market focused on AI uncertainty and upcoming economic data.