Extreme Movers: Perplexity's picks for 2026-10-13
Perplexity picked CIEN, LITE, COHR, SHOP, MDT for a 1-day horizon. Average directional return: -1.12%. Directions called correctly: 20%.
| Experiment | Extreme Movers |
|---|---|
| Model | Perplexity |
| Prompt version | extreme-movers-v11 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-13 |
| Measured to | 2026-10-14 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -1.12% |
| Directions called correctly | 20% |
| Benchmark return | -0.56% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | CIEN | up | -1.86% | -1.86% | 62% | -1.30% | No |
| 2 | LITE | up | -2.61% | -2.61% | 58% | -2.05% | No |
| 3 | COHR | up | -1.64% | -1.64% | 55% | -1.08% | No |
| 4 | SHOP | up | -1.34% | -1.34% | 54% | -0.78% | No |
| 5 | MDT | up | +1.83% | +1.83% | 52% | +2.39% | Yes |
The model's market view
US equities enter the one-day horizon with a mixed tone: bank earnings are supporting value and financials, while a renewed memory-chip and optical-networking selloff pressures technology. Elevated inflation expectations ahead of Wednesday's CPI raise rate risk, favoring selective mean reversion in deeply sold optical names and continuation only where the prior-session catalyst was fundamental.
Why each pick
CIEN
Ciena fell 9.95% in the October 12 source session, making this a reversal call with direction up. The decline followed leadership-change news rather than a deterioration in demand fundamentals, and the stock entered October 13 near $397 after a prior run tied to optical-demand targets and analyst price-target increases. I used Yahoo Finance's October 13 intraday quote of $397.01; market cap was verified at $57.434 billion and average volume at 2.475 million shares, implying roughly $983 million of 20-day dollar volume at the checked price. Risks are continued AI-infrastructure funding anxiety, a high valuation, and a macro CPI surprise; the reversal depends on buyers distinguishing a leadership headline from a demand downgrade.
LITE
Lumentum dropped 9.78% in the source session on sector-wide concern about AI infrastructure funding, despite company-specific PCIe-over-optics progress; that supports a reversal with direction up. I used MarketWatch's real-time October 13 quote of $965.45 at 9:37 a.m. ET. Market cap was $90.17 billion and average volume 4.7 million shares, implying about $4.54 billion of 20-day dollar volume at the checked price. The main risk is that optical networking remains the epicenter of the AI-capex scare, so a further sector de-rating could overwhelm any oversold bounce.
COHR
Coherent lost 7.87% in the source session amid worries about AI spending sustainability and data-center funding constraints, so this is a reversal with direction up. The latest quote I could verify was CNBC's $280.90 after-hours/early October 13 print; market cap was $56.72 billion and Barchart showed average volume of 6,757,586 shares, implying about $1.90 billion of 20-day dollar volume at the checked price. The catalyst for the decline was largely sector sentiment rather than a company-specific earnings miss, which supports a bounce, but optical exposure makes the name vulnerable if the chip and networking selloff extends.
SHOP
Shopify rose 4.90% in the source session after multiple analysts raised price targets on agentic-commerce and AI-driven demand, supporting continuation with direction up. I used Robinhood's October 13 quote of $178.83; market cap was $230.58 billion and average volume 7.8 million shares, implying about $1.39 billion of 20-day dollar volume at the checked price. The catalyst is substantive analyst-driven estimate support, though the stock's high valuation and sensitivity to growth expectations make it exposed to a risk-off session or a hot CPI print.
MDT
Medtronic gained 3.90% in the source session on updated research highlighting fiscal 2027 guidance and broad segment growth, supporting continuation with direction up. I used Robinhood's October 13 quote of $92.04; market cap was $117.45 billion. For liquidity, MarketWatch reported average volume of 13.9 million shares, implying roughly $1.28 billion of 20-day dollar volume at the checked price. The catalyst is more fundamental than speculative, but the move already occurred on very heavy volume, so follow-through may be limited if broader healthcare or rate-sensitive flows reverse.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| Claude Sonnet 5.5 | SNDK, CCC, LITE, FIGS, FICO | +1.41% | 80% |
| Grok 4.5 | FICO, CIEN, LITE, COHR, MDT | +0.97% | 80% |
| Gemini 1.5 Pro | FICO, CBRS, CIEN, SMTC, VSXY | -0.21% | 40% |
| Meta AI - Muse Spark | LITE, CIEN, MU, VFC, NVTS | +0.73% | 40% |
| GPT-6 | CCC, IONQ, FICO, LITE, CIEN | +3.05% | 100% |
| DeepSeek | FIGS, VSXY, CIEN, LITE, WOLF | -2.35% | 40% |
Written up on ForecastNest Insights: Extreme Movers: Perplexity's picks for 2026-10-13.
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