SanDisk (SNDK) tops the S&P 500 for the highest return in 2026 YTD. The stock was already the best performer in 2025, and it has continued this year. We’re only four months in, and it’s already more than tripled.
SanDisk was a spinoff from Western Digital just last year. It was loss-making initially, but Q3 FY2026 saw net profits soar to $3.6 billion. Revenue was up 251% year-on-year. From zero to hero, quite literally.
Western Digital reported 45% revenue growth year-on-year. But what’s more impressive is that its gross margin expanded 10 percentage points—from 40.1% in Q3 FY2025 to 50.5% in Q3 FY2026. That’s a sign WDC is raising prices as it sells more storage. Supply shortages are driving up prices, and these companies are the direct beneficiaries.
Finally with AI, cloud growth exploded. Q1 2026 year-on-year revenue growth nearly doubled to 63%. Gemini Enterprise—the stickier corporate customers—grew 40% quarter-on-quarter. That’s more than 200% annualized. Another proof point of surging AI demand: token usage grew 60% QoQ,
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