NVIDIA's performance exceeded expectations, driving AI concept stocks higher in after-hours trading, with broad gains in sectors such as storage and optical communications

According to Gate market data, after-hours trading on Wednesday for U.S. stocks saw Nvidia's new quarterly results continue to exceed market expectations, with a forecast of approximately 70% sales growth for the next fiscal year, driving AI concept stocks higher in after-hours trading.

The storage sector collectively strengthened, with SK Hynix rising 4.48%, SanDisk up 3.71%, Micron Technology up 3.67%, Seagate Technology up 3.15%, and Western Digital up 3.11%. The Neocloud sector saw widespread gains, with Nebius up 6.27%, CoreWeave up 4.76%, Applied Digital up 3.26%, and both IREN and Core Scientific up 3.16%.

Optical communication stocks rose across the board, with Applied Optoelectronics up 4.25%, Marvell Technology up 4.08%, Credo up 3.78%, Coherent up 3.35%, and Astera Labs up 3.34%. Semiconductor stocks also strengthened, with Arm up 4.18%, Marvell Technology and Nvidia both up 4.08%, Lam Research up 2.65%, and KLA up 2.42%.