Biggest News-Driven Stock Movers — Aug 12, 2026
Here are the biggest news-driven, market-adjusted stock moves from Aug 12, 2026:
- SION — Investor-law-firm headline said an investigation was launched into Sionna Therapeutics, encouraging investors and potential witnesses to contact the firm. +25.3% (excess vs. SPY: +25.5%)
- FFAI — Faraday Future held a special meeting of stockholders and said it secured approvals on proposals to support continued EAI robotics development and deliveries in 2026. -11.2% (excess vs. SPY: -10.9%)
- KVYO — Klaviyo said it opened an Asia HQ in Singapore. -3.8% (excess vs. SPY: -3.6%)
- KEP — Keppel Investor Day 2026 materials/presentation slides circulated. -3.6% (excess vs. SPY: -3.3%)
- PODD — Legal notice said Insulet investors with losses in excess of $100K have an opportunity to lead a securities fraud lawsuit. +2.2% (excess vs. SPY: +2.4%)
- HIMX — Himax posted 2026 annual general meeting minutes/annual report materials. -2.6% (excess vs. SPY: -2.4%)
- AMZD — Headline referenced a Lidl US recall of Vitasia Asian Style Wok Spice Mix due to potential salmonella contamination. +2.1% (excess vs. SPY: +2.3%)