Western Digital (WDC) stock whipsaws as AI memory crunch drives storage trade
New York, January 5, 2026, 14:30 EST — Regular session Western Digital Corp shares reversed early gains on Monday as investors re-priced the crowded “AI infrastructure” trade across storage and memory-linked names. The stock was down 0.9% at $186.00 in afternoon trading, after rising as much as 4.3% and trading between $182.77 and $195.75. The swing matters now because traders have been treating storage as a levered bet on data-center buildouts, where AI workloads pull through both faster chips and more capacity to store the data they generate. When investors sense a tightening supply backdrop, they tend to move quickly