Woofun AI data shows that U.S. stock index futures declined across the board before market open on July 1. S&P 500 futures dropped 0.32%, Dow Jones futures fell 0.35%, and Nasdaq 100 futures decreased by 0.54%.

The semiconductor and storage sectors experienced broad declines. NVIDIA fell 0.93%, while Intel and AMD both dropped 1.18%. Qualcomm declined 0.2%. In storage, Seagate Technology fell 1.72% and Western Digital dropped 1.91%. SanDisk saw a sharper decline of 4.47%, and Micron Technology fell 3.06%.