Biotech · LightGBM · 2026-08-20

📈 UP: VRTX (100%), BIIB (86%) 📉 DOWN: ALNY (100%), INSM (86%) Top call — VRTX: LightGBM — a gradient-boosted model fit on this basket's recent features. VRTX ranks #1 of 8 in Biotech (100% bullish percentile), so the agent calls it UP for the next session. Graded so far: 2/4 ✓ Track record: 156 graded calls, precision 52%