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SanDisk (SNDK) has turned into one of 2026’s most unbelievable artificial intelligence (AI) stories. The stock has exploded roughly 462% year-to-date and nearly 4,000% over the past year as investors poured into AI infrastructure plays. Yet, despite the explosive rally and one of the strongest quarters the company has ever reported, some Wall Street firms, including RBC Capital, Barclays (BCS), JPMorgan (JPM) and Wells Fargo (WFC), haven't upgrade the stock to a “Buy.”
With these four analysts cautious, the question now is can SanDisk sustain this run?