Woofun AI data shows that US stock futures declined across the board in Wednesday's pre-market session, with semiconductor, storage, and optical communication sectors all posting losses.

Storage stocks led the downturn, with SkyHigh dropping 6.57% and Micron falling 3.76%. Western Digital, SanDisk, and Seagate Technology also declined between 3.13% and 3.59%. Semiconductor equities saw widespread weakness, including drops of 3.57% for Lam Research, 3.51% for Intel, 3.44% for Applied Materials, and 3.01% for Arm. Optical communication names such as Astera Labs and Applied Optoelectronics fell between 2.84% and 3.94%.