Extreme Movers: Muse Spark 1.1's picks for 2026-09-17
Muse Spark 1.1 picked WLTH, SWKS, ANGX, UNFI, SUNE for a 1-day horizon. Average directional return: -1.76%. Directions called correctly: 40%.
| Experiment | Extreme Movers |
|---|---|
| Model | Muse Spark 1.1 |
| Prompt version | extreme-movers-v8 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-09-17 |
| Measured to | 2026-09-18 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -1.76% |
| Directions called correctly | 40% |
| Benchmark return | -0.18% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | WLTH | up | -0.29% | -0.29% | 72% | -0.12% | No |
| 2 | SWKS | up | +1.07% | +1.07% | 70% | +1.24% | Yes |
| 3 | ANGX | up | +4.28% | +4.28% | 68% | +4.46% | Yes |
| 4 | UNFI | up | -1.53% | -1.53% | 65% | -1.35% | No |
| 5 | SUNE | up | -12.34% | -12.34% | 62% | -12.16% | No |
The model's market view
Sep 17 post-FOMC source session Sep 16: Cambridge confirms Fed voted 12-0 Sep 16 2pm ET to raise to 3.75%-4.00% first hike since July 2023 under Warsh. Trefis market movers Sep 16 shows winners WLTH +15.0%, SWKS +9.8%, ANGX +9.1% concentrated in small caps with market value WLTH $1.7B. Motley Fool biggest losers Sep 16 shows SUNE $3.37 -$1.14 -25.28% vol 11.6M cap $29M and UNFI $42.89 -$8.75 -16.94% cap $3.1B and SNWV -41.99%. SPY close Sep 16 $754.20 per MacroTrends vs high $777.88 Aug 13. Fed hike fully priced 91% per LSEG Sep 16 morning.
Why each pick
WLTH
Wealthfront top gainer Sep 16 +15.0% per Trefis Thursday winners table with market value about $1.7B and revenue +14.1% LTM. MacroTrends latest close Sep 16 $10.17 vs 52-week high $14.88 +46.3% above. Catalyst substantive fintech lending pivot into higher rates benefits from Fed hike to 3.75-4.00% Sep 16. Price used intraday Sep 16 close $10.17 stale 1 day. Continuation up expected after merger progress absent. Exclude passes price $10 >1.
SWKS
Skyworks Solutions +9.8% Sep 16 per Trefis winners second place. Finnhub live Sep 17 current $86.89 open $86.755 high $87.71 low $84.43 previous close $85.59 +1.3 +1.52%. Market cap 13294.27M per Finnhub Sep 16. Catalyst substantive: Qorvo merger exchange offers extended Sep 11 per GlobeNewswire 90% tendered, driving price. 5-day +21.52% 1-month +24.81% YTD +37.03%. Live price Sep 17 used, continuation up.
ANGX
Angel Studios +9.1% Sep 16 per Trefis winners third. Finnhub current $5.15 open $5.34 high $5.41 low $5.11 previous close $5.30. Kraken Sep 17 $5.28 previous close $5.28 range $5.17-$5.38 market cap $1.01B. Upstox Sep 17 market cap $822.83M high $5.36 low $5.18. Catalyst speculative content studio momentum, no earnings. Live Sep 17 price used, continuation up into Fed relief.
UNFI
United Natural Foods biggest loser Sep 16 -16.94% $42.89 -$8.75 cap $3.1B per Motley Fool losers table. Finnhub live Sep 17 $46.49 open $46.70 high $46.78 low $45.69 previous close $46.30 +0.41% showing intraday bounce. Market cap $2.76B Sep 16 per Upstox. Catalyst substantive grocery wholesaler earnings miss: Motley Fool headline Sep 16 Why UNFI crashed today bracing for biggest full-year net loss, CFO noted procurement gain decline from decelerating inflation. Washed-out -16.9% suggests reversal up.
SUNE
SUNation Energy loser Sep 16 -25.28% $3.37 -$1.14 vol 11.6M cap $29M per Motley Fool SUNE table. Finnhub Sep 17 current $2.935 open $2.85 high $2.9795 low $2.85 previous close $2.91 +0.025. Market cap 20.84M Finnhub. Upstox Sep 16 high $3.22 low $3.10 market cap $7.99M. Catalyst speculative solar installer volatility, 5-day +30.44% despite drop. Price >1 so exclusion passes despite cap <1B. Reversal up expected after -25% washout.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| GPT-5.6 Sol | DLXY, MEDS, XBIO, AEHL, CUPR | +3.65% | 60% |
| Claude Opus 5 | INTC, AMD, TSM, GS, C | +0.18% | 40% |
| DeepSeek V3 | GNRC, FLNC, DLXY, MEDS, NBIS | +6.96% | 60% |
| Gemini 1.5 Pro | SMTC, SABR, CIFR, JBHT, ALHC | -1.62% | 20% |
Written up on ForecastNest Insights: Extreme Movers: Muse Spark 1.1's picks for 2026-09-17.
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