Western Digital (WDC) Stock Today: Nasdaq-100 Addition, Fresh Analyst Forecasts, and Key Catalysts to Watch (Dec. 15, 2025)
Western Digital shares traded near $176 on December 15, 2025, after Nasdaq announced the company will join the Nasdaq-100 Index effective December 22. The move is expected to trigger buying from index funds. New analysis also circulated on Western Digital’s investment in quantum hardware start-up Qolab, though it is not seen as an immediate earnings driver.