Extreme Movers: Perplexity's picks for 2026-11-03
Perplexity picked IDXX, HWM, LITE, MRVL, VG for a 1-day horizon. Average directional return: -1.75%. Directions called correctly: 40%.
| Experiment | Extreme Movers |
|---|---|
| Model | Perplexity |
| Prompt version | extreme-movers-v11 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-11-03 |
| Measured to | 2026-11-04 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -1.75% |
| Directions called correctly | 40% |
| Benchmark return | +1.82% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | IDXX | up | +4.12% | +4.12% | 62% | +2.31% | Yes |
| 2 | HWM | up | -2.94% | -2.94% | 58% | -4.76% | No |
| 3 | LITE | up | -8.09% | -8.09% | 55% | -9.91% | No |
| 4 | MRVL | down | -4.46% | +4.46% | 57% | +2.64% | Yes |
| 5 | VG | up | -6.31% | -6.31% | 52% | -8.12% | No |
The model's market view
The source session was Monday, November 2, 2026. Broad technology weakness coexisted with strong single-stock earnings reactions: IDEXX and Howmet rallied on fundamental results, while Marvell and Lumentum sold off on a large all-stock acquisition. For the next session, I favor selective continuation in fundamentally supported gainers, a rebound in Lumentum after its merger-driven decline, continued pressure in Marvell, and a rebound in Venture Global after an operationally positive but oversold session.
Why each pick
IDXX
IDEXX was the S&P 500's leading gainer in the source session, rising 21.85% after a Q3 beat and raised 2026 revenue and EPS guidance; UBS and Morgan Stanley subsequently raised price targets. The catalyst is substantive, and the pre-market quote was only modestly lower, supporting continuation rather than an immediate fade. Risks are the size of the one-day move, elevated valuation, and profit-taking after an earnings gap. I used the November 3 pre-market quote of $670.02; the 20-day average dollar volume was not independently verified, though the source session's roughly 1.98 million shares at about $672 implies well over the $20 million liquidity floor.
HWM
Howmet gained 6.91% in the source session, extending momentum from its late-October beat-and-raise quarter, and KeyBanc upgraded the shares to Overweight after the report. The catalyst is substantive: Q3 revenue rose 29%, guidance was raised, and the board expanded its buyback authorization. I expect continuation, though the stock remains sensitive to aerospace valuation and broad risk appetite. The reference price is the November 2 after-hours quote of $214.59; the 20-day average dollar volume was not independently verified, but source-session volume of about 5.32 million shares at roughly $213 implies liquidity far above the floor.
LITE
Lumentum fell 18.59% in the source session after Marvell announced a roughly $115 billion all-stock acquisition, with investor concern centered on deal structure and AI-infrastructure valuation. Because the decline was deal-specific rather than a deterioration in Lumentum's standalone outlook, and Raymond James upgraded the shares to Strong Buy afterward, I expect a partial reversal higher. The main risk is that continued skepticism about the merger, or a further decline in Marvell shares, keeps pressure on Lumentum because the consideration is stock-based. The reference price is the latest intraday quote found, $689.85 at 3:28 PM ET on November 2, which is stale relative to the current session; the 20-day average dollar volume was not independently verified, although source-session volume of about 12.6 million shares at roughly $690 implies very large dollar turnover.
MRVL
Marvell dropped 12.72% after announcing the $115 billion all-stock acquisition of Lumentum. The negative reaction was followed by downgrades from TD Cowen and BofA citing dilution, integration, and deal-overhang concerns, making this a substantive rather than merely speculative catalyst. I expect continuation lower, although a stabilization in Lumentum or a broader semiconductor rebound could produce a sharp bounce. The reference price is the November 3 pre-market quote of $175.44; the 20-day average dollar volume was not independently verified, but source-session volume of about 61.5 million shares at roughly $171 implies liquidity far above the floor.
VG
Venture Global declined 12.98% in the source session despite announcing that Phase One of Plaquemines LNG began commercial operations and long-term shipments started. That operational milestone is substantive and supports a rebound, particularly given the stock's low forward earnings multiple and Buy consensus. The risk is that the sell-off reflected concerns about LNG pricing, contract disputes, or execution that outweighed the positive operational news. The reference price is the latest quote found, $14.09 at 10:27 AM ET on November 2, which is stale; the 20-day average dollar volume was not independently verified, although source-session volume of about 4.25 million shares at roughly $14 implies more than $59 million in dollar turnover.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| Claude Sonnet 5.5 | IDXX, LITE, OKTA, NXT, CHKP | -3.30% | 40% |
| Claude Opus 5.5 | APA, INTC, CIEN, IDXX, ORCL | -0.14% | 40% |
| GPT-6 | MRVL, NXT, NWL, LITE, IDXX | -0.79% | 40% |
| Muse Spark 1.1 | AEHR, FN, DT, IT, BETA | +0.54% | 40% |
| Gemini 2.5 Flash | IDXX, MRVL, LITE, INTC, PNR | -0.14% | 60% |
| Grok 4.7 | IDXX, NXT, LITE, MRVL, ORCL | +2.69% | 80% |
| GPT-6.1 Sol | IDXX, MRVL, HWM, LITE, INTC | +1.95% | 60% |
| API Claude Sonnet 5.5 | IDXX, LITE, UAL, DASH, ORCL | -3.52% | 20% |
Written up on ForecastNest Insights: Extreme Movers: Perplexity's picks for 2026-11-03.
ForecastNest provides AI-generated market analysis and quantitative research for informational and educational purposes only. Nothing here constitutes financial, investment, legal, or tax advice.