TradingKey – Western Digital (WDC) reported strong first-quarter fiscal 2027 results and provided next-quarter guidance significantly above Wall Street expectations, but still failed to reverse its stock price decline.

Following the earnings release, WDC’s stock price initially rose over 2% before quickly pulling back, with the maximum after-hours drop approaching 7%, reflecting investors’ reassessment of the sustainability of the hard drive boom cycle.

For the first fiscal quarter ended October 2, 2026, Western Digital’s revenue reached $4.381 billion, up 55% year-over-year and 17% quarter-over-quarter, exceeding market expectations of approximately $4.14 billion. GAAP net income was $1.779 billion, up about 50% year-over-year; diluted…