Western Digital stock drops again as AI-storage rally unwinds — what traders watch next
NEW YORK, January 8, 2026, 18:52 EST — After-hours Western Digital (WDC.O) shares were down 6.1% at $187.68 in after-hours trading on Thursday, after swinging between $180.70 and $201.78 during the session. Seagate Technology (STX.O) fell 7.7%, while SanDisk (SNDK.O) and Micron Technology (MU.O) slid 5.3% and 3.7%, respectively. The two-day pullback has tested a trade that ran hot at the start of the year, with investors treating storage and memory names as spillover plays on artificial intelligence infrastructure spending. “While AI is still hot, there are going to be winners and losers,” said Art Hogan, chief market strategist at