Key Highlights

● Marvell Technology shares climbed to $262.08 on Tuesday, September 29, 2026, as buyers returned to semiconductor stocks.

● Marvell rose with its peers as part of a sector-wide rebound after Monday's losses in semiconductor stocks.

● Optical-networking stocks also rebounded, with Lumentum and Coherent rising a day after Citi forecast an $11 billion optical-switching market.

● A leaked Anthropic IPO prospectus, as reported, pointed to $518 billion of planned compute and infrastructure obligations.

Marvell Technology, Inc. (NASDAQ:MRVL) climbed on Tuesday, September 29, 2026, reaching $262.08. The chipmaker rose as semiconductor stocks rebounded after a difficult session on Monday, moving with its peers as buyers returned to the group.

A Sector-Wide Bounce

Semiconductor stocks were among the day's standout performers. The U.S. chip index climbed, and the main semiconductor exchange-traded fund was one of the best-performing sector funds. Arm Holdings (NASDAQ:ARM) jumped and Applied Materials (NASDAQ:AMAT) surged, while Qualcomm swung between gains and losses. Broadcom (NASDAQ:AVGO) also rose, and Advanced Micro Devices (NASDAQ:AMD) gained after agreeing to buy World Labs for $8.2 billion in stock.

Optical Names Rebound

Optical-networking stocks also rebounded. Lumentum (NASDAQ:LITE) and Coherent (NYSE:COHR) rose a day after Citi forecast an $11 billion optical-switching market by 2030. Corning (NYSE:GLW) climbed after signing a fiber Supply deal with AT&T worth more than $3 billion.

Marvell's Place in AI

Marvell traded with the group of chipmakers tied to AI spending, which rallied on Tuesday. The day's AI headlines underscored the scale of that spending, with a leaked Anthropic IPO prospectus, as reported, pointing to $518 billion of planned compute and infrastructure obligations and a valuation target above $2 trillion.

The Indexes Behind the Bounce

The Nasdaq-100 edged higher to 30,339.33 on the chip rally, even as the S&P 500 slipped 12.85 points to 7,670.84 and the Dow Jones Industrial Average fell 131.59 points to 51,349.92. The Nasdaq Composite ended nearly flat at 26,797.54. Long-term Treasury yields pressured stocks through the session, with the 30-year yield at its highest since 2002. Consumer confidence dropped to 81.9 from 88.6, the lowest since 2014, according to the Conference Board.

Fed, Oil and Volatility

Chicago Fed President Austan Goolsbee said the U.S. has been 5-1/2 years above its Inflation target and called that playing with fire. New York Fed President John Williams said there is no need for urgency after the central bank's September meeting, and odds of an October rate hike fell to roughly a coin flip. West Texas Intermediate crude settled $3.22 lower at $89.38 a barrel as Middle East exports recovered. The VIX eased and stayed near 16.

A Rebound Shared Across the Group

Nvidia's $150 billion buyback, announced on Monday, remained in focus as the chip group recovered together.