Woofun AI data shows that US AI-related equities faced pre-market declines on July 13. Memory chip maker Micron Technology dropped 6.6%, while Nvidia fell 2.16%. Storage sector stocks also retreated, with SanDisk down 6.5%, Seagate Technology at -5.4%, and Western Digital dropping 6.6%. Equipment and CPO concept stocks followed suit, with AMAT falling 4.72%, LRCX down 4.31%, LITE at -4.24%, and AAOI dropping 4.01%.