← Blog · 2026-07-19 · 8min
AI Memory Stocks 2026: Micron +259%, SanDisk +635% — and Nvidia's Odd Year
- 2026 belongs to AI memory: Micron is up ~+259% and SanDisk ~+635% YTD, powered by HBM and data-center NAND shortages (as of Jul 16).
- The twist: Nvidia is up only +4–5% while the semiconductor index gained +72–88% — custom silicon and valuation did what bears never could.
- Every rally has fine print: Micron trades at ~6x forward earnings because markets doubt peak profits last; SanDisk at ~57x because they believe. Both can't be fully right.
If you searched "best chip stocks 2026," you've seen the headlines. Here's the verified version — every number below was cross-checked against primary sources (dates labeled; prices as of Jul 16–17, 2026).
1. Micron (MU) — the earnings machine
Micron's quarter reported 2026-06-24 was historic: revenue $41.5B (a record), EPS $25.11 vs. $20.20 expected (+24% beat), and next-quarter guidance of ~$50B. The stock peaked near $1,255 in late June, pulled back 25–30%, and sits near $897 — still ~+259% YTD. Its HBM supply is sold out through 2026, with HBM4 shipping for Nvidia's next platform and roughly a 21% HBM market share.
2. SanDisk (SNDK) — 2026's wildest chart
Spun off from Western Digital in February 2025, SanDisk became a pure play on NAND just as AI data centers started buying enterprise storage in bulk. Revenue grew +251% YoY (quarter reported 2026-04-30), with data center jumping from ~10% to 25% of sales. The stock: ~+635% YTD after peaking at ~+857% on June 25. It now trades around 57x forward earnings — the mirror image of Micron's 6x. One of those two valuations is wrong about how long this cycle lasts.
3. SK Hynix ADR (SKHY) — the record listing with a premium problem
SK Hynix — the HBM leader — listed ADRs on Nasdaq on July 10, 2026, raising about $26.5B at $149, the largest US listing ever by a foreign company. Ten ADRs equal one Korean share, yet SKHY has traded 23–51% above the underlying stock's value: US demand is high while converting Korean shares into new ADRs is restricted. A key test comes July 29 (KST), when two-way conversion requests open. If you're considering SKHY, you're also making a bet on that premium.
4. Nvidia (NVDA) — the odd year
The AI icon is up just +4–5% in 2026 while the Philadelphia Semiconductor Index gained +72–88%. Two reasons dominate: hyperscalers moving budgets to custom in-house silicon, and a valuation that priced in perfection. The business itself keeps compounding (fiscal-year revenue on track for ~+82%), and the forward P/E has compressed to ~21 — cheap by Nvidia's own history. Average analyst target: ~$301 vs. ~$206 now.
5. Quick comparison
| Micron (MU) | ~$897 · +259% YTD · ~6x fwd P/E |
| SanDisk (SNDK) | ~$1,477 · +635% YTD · ~57x fwd P/E |
| SK Hynix (SKHY) | ~$154 · listed Jul 10 · 23–24% ADR premium |
| Nvidia (NVDA) | ~$206 · +4–5% YTD · ~21x fwd P/E |
6. How biweek's models see these names
Honestly: our deep-learning models only consider US-listed stocks with 140+ trading days of history. MU and NVDA are always in the screening universe; SNDK entered it in 2025; SKHY won't qualify until roughly H1 2027. Whether any of them appears in today's picks depends on one thing only — the modeled probability of a +10% move in 14 trading days, recalculated daily.
FAQ
Curious what the deep-learning models picked today?
- StockAnalysis — Micron (MU) quote & valuation
- StockTitan — Micron record Q3 FY2026 results ($41.46B revenue)
- Yahoo Finance — SanDisk up nearly 635% in 2026
- SanDisk — Q3 FY2026 results (+251% revenue)
- IPOScoop — SK Hynix prices largest-ever ADS deal at $149
- SEC 424B4 — SKHY prospectus (1/10 ADS ratio)
- Motley Fool — Nvidia up only ~5% in 2026
- StockAnalysis — Nvidia (NVDA) quote & forward P/E
- EBN — CXMT IPO up to ~₩14.7T (memory supply risk)