Western Digital Corporation experienced strong upward price movement and heightened intraday volatility, driven by a powerful wave of bullish analyst revisions and a broader market re-rating of data storage companies as vital plays in the artificial intelligence infrastructure boom. Multiple prominent Wall Street firms aggressively raised their price targets and issued highly optimistic forecasts, sparking intense buying momentum and short-covering activity.

A major driver behind the positive sentiment was a series of target upgrades from leading investment banks. Analysts from Morgan Stanley, JPMorgan, Mizuho, and Citi significantly raised their price targets, pointing to a persistent structural undersupply in the hard disk drive…