Western Digital is trading at $330.26, down 6.76% in after-hours trading on October 22, 2026, as broad technology-market pressure coincides with the decline; no direct cause is established. - Fiscal Q1 2027 revenue was $4.381 billion and non-GAAP EPS was $4.64; results exceeded expectations. - Western Digital guided fiscal Q2 revenue to $5.1 billion and non-GAAP EPS to $5.80. - The Nasdaq fell 2.58% and the S&P 500 fell 1.22% on October 22.