
Stock Movers Weekly Roundup: Sandisk, Deckers Climb; Humana Drops
Jan 30, 2026
Jordan Fitzgerald, a Bloomberg equities reporter covering market movers and earnings. He breaks down SanDisk’s big rally tied to AI infrastructure demand. He reviews Microsoft’s tough week amid Azure growth worries. He covers Humana’s slide after proposed Medicare Advantage payment limits. He explains Deckers’ surge driven by strong Ugg and Hoka direct-to-consumer sales.
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SanDisk's AI-Driven Rally
- SanDisk's stock surged on a strong Q2 revenue beat, then cooled but still closed higher for the day.
- The rally reflects investor rotation into AI-infrastructure beneficiaries like memory storage makers.
Big Tech Misses Highlight AI Rotation
- Microsoft had its worst week since 2020 after Azure growth missed lofty AI-related expectations.
- The stumble contrasts with smaller AI-supply winners like SanDisk, showing investor sensitivity to execution.
Policy Risk Hits Humana Hard
- Humana plunged after the Trump administration proposed freezing Medicare Advantage payments next year.
- The policy risk pressured the stock 27% in its worst week since 2009, reflecting regulatory vulnerability.
