U.S. chipmakers rise as TSMC lifts spirits after Nvidia-led tumble

Shares of U.S. chipmakers climb premarket after world's largest contract chip manufacturer TSMC's bullish forecast for the year on robust demand for AI

TSMC 2330.TW stands by its annual expectations for sales and capital spending despite U.S. tariffs and forecasts AI chip revenue to double

U.S.-listed shares of TSMC rise 3.7% premarket; AI chipmakers and TSMC customers Nvidia NVDA.O and AMD AMD.O up more than 1% premarket

Nvidia and AMD tumbled more than 6% and sparked a global chip stock selloff on Wednesday after flagging hits from latest U.S. curbs on exports to China

Networking and custom AI chipmakers Marvell Technology MRVL.O and Broadcom AVGO.O and, memory chip firm Micron MU.O up nearly 2%

Benchmark Philadelphia Semiconductor Index .SOX down ~22.6% YTD after rising ~19.3% last year as uncertainty around tariffs and AI investment cloud sector