Biggest News-Driven Stock Movers — Jul 20, 2026
Here are the biggest news-driven, market-adjusted stock moves from Jul 20, 2026:
- AMA-U (-6.5%, -5.9% vs. SPY): Linked to a voluntary nationwide recall of cetirizine hydrochloride tablets USP 5 mg due to potential cross contamination with ranitidine.
- MGY (-5.2%, -4.5% vs. SPY): Magnolia Oil & Gas announced pricing of a public offering of Class A common stock.
- U (+3.3%, +3.9% vs. SPY): Product/business-related move.
- IMAX (-4.2%, -3.5% vs. SPY): Partnerships/alliances-related move.
- EC (+0.6%, +1.3% vs. SPY): Ecopetrol resumed the tender offer in Brazil to complete the acquisition of a controlling equity stake in Brava Energia S.A.
- AMZN (+0.5%, +1.2% vs. SPY): Also tied to the cetirizine recall notice citing potential cross contamination with ranitidine.