Western Digital Corporation (WDC) closed at $415.12 on October 3, 2026, a loss of 10.22% over the prior 24-hour period. The steep single-day drop contributed to an already difficult stretch for the stock.
The sell-off did not emerge in isolation. WDC has fallen 9.06% over the past seven days and 7.53% over the past 30 days, reflecting sustained downward momentum across multiple timeframes.
The company's market capitalization stood at $166.77 billion following the session's decline. The successive losses across daily, weekly, and monthly windows signal persistent pressure on the shares.
No single catalyst was identified in the available data to explain the moves. The figures reflect a pattern of broad-based selling in Western Digital shares over recent weeks.
