Stock Selection: DeepSeek V3's picks for 2026-09-14
DeepSeek V3 picked BE, META, DELL, T, PLTR for a 7-day horizon. Portfolio return vs SPY: +2.35%. Picks that beat SPY: 40%.
| Experiment | Stock Selection |
|---|---|
| Model | DeepSeek V3 |
| Prompt version | stock-selection-v7 |
| Asked | |
| Horizon | 7-day |
| Measured from | 2026-09-11 |
| Measured to | 2026-09-22 |
| Benchmark | SPY |
| Status | Settled |
| Portfolio return vs SPY | +2.35% |
| Picks that beat SPY | 40% |
| Benchmark return | +1.20% |
The picks
| Rank | Symbol | Return | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|
| 1 | BE | +0.25% | 78% | -0.94% | No |
| 2 | META | +13.67% | 71% | +12.47% | Yes |
| 3 | DELL | -3.20% | 68% | -4.40% | No |
| 4 | T | -3.61% | 65% | -4.80% | No |
| 5 | PLTR | +10.62% | 62% | +9.42% | Yes |
The model's market view
US equities enter the 7-session window with a hawkish Fed overhang: CME FedWatch shows an 86% probability of a 25bp hike at the September 15-16 FOMC meeting, up from ~50% a month ago, and year-end odds of another hike sit near 63%. The 10-year Treasury yield briefly touched 5% before easing to ~4.97%, while Brent crude remains above $100/bbl despite a 3% pullback on Gulf ceasefire speculation. The S&P 500 snapped a four-day losing streak on September 11, gaining 0.86% to 7,656.98, but breadth was narrow—Apple and telecoms led while semiconductors, storage, and IT hardware sold off hard. This is a bifurcated market: high-multiple AI hardware names are being de-risked, while defensive telecom, utilities, and select event-driven situations attract incremental flows. For the 7-session window ending September 22, I expect SPY to struggle for direction, with upside capped by the FOMC and downside cushioned by the September 11 bounce. Stock selection, not beta, will drive relative performance.
Why each pick
BE
Thesis: Bloom Energy is being added to the S&P 500 on September 21, an index-inclusion event that forces passive funds tracking the benchmark to buy the stock before the effective date. Index-additions of this type historically generate 3-6% of incremental demand in the sessions leading up to inclusion, and BE's relatively small float amplifies the mechanical bid. The stock closed at $275.77 on September 11, up 6.68% on the day, and has gained roughly 220% year-to-date on the back of AI data-center power demand. Fubon Securities initiated coverage with a Buy rating and a $330 price target on September 10, citing the same index-inclusion catalyst and Bloom's backlog of fuel-cell orders for hyperscale data centers. Q2 revenue rose 165.5% year-over-year to $10.65 billion, and full-year guidance was raised to $39-42 billion. Risks: The stock is up massively and could see profit-taking into the inclusion; a hawkish FOMC outcome could hit high-beta names hardest; and if the index rebalance is already fully priced, the stock could sell off on the effective date.
META
Thesis: JPMorgan analyst Doug Anmuth upgraded Meta from Neutral to Overweight on September 11, raising the price target to $820 from a prior level that implied far less upside. The upgrade is driven by Muse, Meta's new AI agent, which climbed to No. 3 on the U.S. Apple App Store by September 10. Anmuth framed Muse as evidence that Meta's AI investments are transitioning from ad-improvement tools to consumer-facing products with standalone monetization potential. Meta closed at $648.03 on September 11, up 0.57%, significantly outperforming the Nasdaq's 0.96% gain relative to its own weight. The stock has been a relative laggard among mega-cap tech in 2026, and the upgrade provides a fresh narrative catalyst. Risks: Meta's AI spending is projected to reach $243 billion next year, and any disappointment on Muse adoption or monetization could reverse the upgrade-driven pop. A hawkish FOMC could also pressure mega-cap growth broadly.
DELL
Thesis: Dell surged 11.98% on September 11 to $567.29 after RBC initiated coverage with an Outperform rating and a $640 price target, explicitly citing AI infrastructure demand. The move was the strongest single-day gain among large-cap tech hardware names and came on volume of roughly 14.4 million shares, nearly triple the recent average. Dell's AI server backlog has been a consistent bright spot, and the RBC initiation validates the view that Dell is a primary beneficiary of enterprise AI buildouts. The stock's sharp move higher suggests institutional accumulation, and initiations often mark the start of a multi-session re-rating as other analysts update models. Risks: Dell's 12% single-day gain could invite profit-taking; the broader IT hardware complex (HPE, SMCI) remains under pressure; and if the FOMC delivers a hawkish surprise, high-beta hardware names are vulnerable.
T
Thesis: AT&T is a defensive telecom with a 5%+ dividend yield trading at roughly 9x forward earnings, making it one of the cheapest large-cap defensives in a market where the S&P 500 Shiller P/E sits near 42x. KeyBanc upgraded AT&T to Overweight with a $36 price target on September 8, and JPMorgan's September telecom preference list kept AT&T at No. 1 with a score of 10. The stock gained 2.00% on September 11 to $26.06, outperforming the S&P 500's 0.86% gain, as investors rotated into telecom amid the tech selloff. Telecom was the best-performing S&P 500 sector on September 11, up 1.35%. Risks: Telecom is a low-beta sector, so relative outperformance over 7 sessions may be modest; AT&T's fiber buildout carries execution risk; and if the market stages a sharp risk-on rally post-FOMC, defensives could lag.
PLTR
Thesis: Palantir closed at $167.23 on September 11, up 0.83%, after DA Davidson raised its price target to $250 from $200 and Rosenblatt reiterated a Buy rating with a $225 target following AIPCon 11. The conference focused on 'AI sovereignty,' a theme that is resonating with government and enterprise customers as data-residency and security concerns intensify. Palantir's U.S. government business remains a durable revenue base, and the commercial segment is scaling. The stock has been consolidating since its summer peak, and the cluster of analyst target increases could reignite momentum. Risks: Palantir trades at a very high multiple relative to software peers; the stock is sensitive to risk sentiment and could underperform if the FOMC triggers a broad de-risking; and government contract timing is lumpy, making quarter-to-quarter revenue less predictable.
Other models on the same run
| Model | Picks | Portfolio return vs SPY | Picks that beat SPY |
|---|---|---|---|
| GPT-6 | DELL, AAPL, XLE, ANET, HPE | -2.19% | 40% |
| Muse Spark 1.1 | CVX, XOM, VLO, JPM, UNH | -5.07% | 0% |
| Grok 4.5 | DELL, HPE, SMCI, NVDA, AVGO | -0.35% | 40% |
| Gemini 1.5 Pro | NVDA, MSFT, AMZN, GOOGL, AAPL | +0.93% | 60% |
| Claude Opus 5 | VLO, XLE, INSW, ITA, XLV | -2.77% | 20% |
Written up on ForecastNest Insights: Stock Selection: DeepSeek V3's picks for 2026-09-14.
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