Woofun AI data shows that US stock futures declined in pre-market trading, with the storage sector leading losses. Western Digital (WDC) dropped 7.30%, Seagate Technology (STX) fell 5.97%, Micron Technology (MU) decreased 5.34%, and SanDisk (SNDK) slid 5.01%.

Semiconductor and optical communication stocks also faced selling pressure. Lam Research (LRCX) fell 5.56% and Applied Materials (AMAT) dropped 5.48%. Other declines included Marvell Technology (MRVL) at 4.68%, KLA Corporation (KLAC) at 4.50%, Arm (ARM) at 4.13%, AMD at 3.85%, ASML at 3.74%, and Intel (INTC) at 3.54%. Astera Labs (ALAB) fell 3.72%, while Ciena (CIEN), Coherent (COHR), Lumentum (LITE), and Corning (GLW) each dropped between 3.55% and 3.63%.