SanDisk (SNDK) stock just keeps rolling. The digital storage company is one of the best-performing stocks in the S&P 500 ($SPX) this year, with 2026 gains of 362% so far. SanDisk is hitting new highs this week, and the company just stepped to the podium for its fiscal third-quarter earnings report at the market close on April 30. How high can SNDK stock go, and what should investors be looking for in the company's quarterly earnings? Let’s take a closer look. More News from Barchart About SanDisk Stoc ...