Stock Selection: DeepSeek's picks for 2026-10-28
DeepSeek picked MU, VRT, WDC, SNDK, SMH for a 1-day horizon. Portfolio return vs SPY: +0.74%. Picks that beat SPY: 40%.
| Experiment | Stock Selection |
|---|---|
| Model | DeepSeek |
| Prompt version | stock-selection-v8 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-28 |
| Measured to | 2026-10-29 |
| Benchmark | SPY |
| Status | Settled |
| Portfolio return vs SPY | +0.74% |
| Picks that beat SPY | 40% |
| Benchmark return | -0.25% |
The picks
| Rank | Symbol | Return | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|
| 1 | MU | -2.93% | 76% | -2.68% | No |
| 2 | VRT | +6.02% | 70% | +6.27% | Yes |
| 3 | WDC | +1.34% | 65% | +1.58% | Yes |
| 4 | SNDK | -1.45% | 60% | -1.20% | No |
| 5 | SMH | -0.51% | 58% | -0.26% | No |
The model's market view
US equities are mixed ahead of the 2 p.m. ET Fed decision and after-the-bell Big Tech earnings. The S&P 500 is marginally higher while the Nasdaq lags, but memory and storage chips are sharply outperforming after SK Hynix reported record quarterly profit and said memory is sold out through 2029. The Fed is widely expected to hold rates at 3.75%-4.00% with a hawkish tone, which keeps macro risk elevated, but idiosyncratic earnings winners and the semiconductor supply-cycle trade should continue to attract flow over the next session.
Why each pick
MU
Micron is the clearest US-listed beneficiary of SK Hynix's record Q3 results and commentary that memory is sold out through 2029. The stock is up about 4.7% intraday on heavy volume, yet trades at roughly 13x trailing earnings, leaving room for multiple expansion as AI-driven DRAM/HBM demand extends the upcycle. Risks include a hawkish Fed surprise that pressures high-beta semis, memory price volatility, and the possibility that the SK Hynix read-through is already largely priced in after the premarket gap.
VRT
Vertiv delivered a blowout Q3 with revenue up 61%, organic orders more than doubling, and a raised full-year adjusted EPS guide of $7.10-$7.20 versus the $6.74 consensus. The stock is up about 14% intraday and remains deeply undervalued relative to the $333 average analyst target, but it is testing resistance near $242, where prior buyers may look to exit at breakeven. A clean break above that level would confirm the earnings-driven re-rating; failure to hold could trigger a sharp reversal. Fed hawkishness is an additional risk given the stock's high valuation.
WDC
Western Digital is riding the same memory/storage supply-cycle wave and was added to the Zacks Rank #1 Strong Buy list on October 28. The stock is up about 3.4% intraday, trades at roughly 15x trailing earnings, and has a forward P/E near 16x, which is reasonable for a company benefiting from AI-driven data storage demand. Risks include sector-wide profit-taking after the recent run, a hawkish Fed hitting high-beta tech, and the stock's high correlation to memory pricing headlines.
SNDK
SanDisk is a pure-play memory name surging about 5.6% intraday on the SK Hynix read-through, with a forward P/E near 6.4x that leaves significant valuation cushion. The stock has been volatile but is showing strong relative strength versus SPY. Its earnings date is October 29, but the report is expected after the close, outside the 1-session window, so the main risk is pre-earnings positioning and profit-taking rather than the event itself. A hawkish Fed or a sudden reversal in memory sentiment would pressure the shares.
SMH
The VanEck Semiconductor ETF offers diversified exposure to the chip rally without single-stock earnings risk. It is up about 1.3% intraday, already outpacing SPY, and its top holdings include memory and AI infrastructure names benefiting from the SK Hynix supply-cycle signal. As an ETF, it carries lower idiosyncratic risk than MU, WDC, or SNDK, making it a relatively stable way to express the semiconductor outperformance theme. Risks include sector concentration, a hawkish Fed pressuring high-multiple tech, and the possibility that the rally fades after the initial SK Hynix-driven gap.
Other models on the same run
| Model | Picks | Portfolio return vs SPY | Picks that beat SPY |
|---|---|---|---|
| Gemini 3.6 Flash High | VRT, AMD, GOOGL, TSM, MSFT | -1.21% | 40% |
| Perplexity | MU, AVGO, SMH, TSM, CRWV | +0.24% | 20% |
| Claude Sonnet 5.5 | NVDA, GOOGL, MSFT, AVGO, SMH | -2.90% | 0% |
| GPT-6 | VRT, MU, LRCX, SNDK, AVGO | +0.63% | 40% |
| Muse Spark 1.1 | MSFT, GOOGL, VRT, AXGN, HRI | +0.84% | 60% |
Written up on ForecastNest Insights: Stock Selection: DeepSeek's picks for 2026-10-28.
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