It has been a great 12 months for Sandisk (SNDK) and its investors. SNDK stock is up more than 1,100% in the past 52 weeks on strong optimism that the company’s NAND flash storage products and other computing memory devices will continue to be in high demand. Sandisk was the best-performing stock in all of the S&P 500 ($SPX) in 2025, and is continuing its strong performance with a 150% year-to-date (YTD) gain. But a short report from Citron Research threatens to let some air out of Sandisk’s sails. Citro ...