Micron Falls 5%, SanDisk Drops 7%, but Western Digital Climbs 6%: What’s Behind the Memory-Storage Split?
Western Digital (WDC) shares climbed 6% on Monday, diverging from peers Micron (MU) and SanDisk (SNDK), which fell 5% and 7% respectively. This split marks a structural rotation in the memory-storage sector following Western Digital's February 2025 divestiture of its remaining stake in SanDisk. The...
Bullish Signals
- Shares climbed 6% while peers declined.
- Non-GAAP gross margins crossed 50% in Q3 2026.
- AI workloads require persistent HDD storage for growth.
- Hyperscaler contracts extend through 2028.
- Trades at cheaper multiple than memory peers.
Bearish Signals
- Shares retreated after Micron's blowout fiscal Q3 2026 earnings.
- Stretched valuations and supply gluts drive memory sector profit-taking.
- SK Hynix capacity risks scarcity premium in memory stocks.
- AI-chip valuation peaks may spill over to memory names.
- SanDisk sentiment swung from bullish to bearish rapidly.