Top Stock Movers Now: Viking, Moderna, Uber Technologies, and More

1. Moderna (MRNA) shares soared after FDA approved COVID-19 vaccine booster guidelines. 2. U.S. equities experienced a decline, largely influenced by tech and travel sectors. 3. Cruise operator shares dropped following Viking Holdings' disappointing passenger numbers. 4. Airbnb faced scrutiny with authorities ordering the removal of 66,000 listings. 5. Power provider AES shares fell after a downgrade by Jefferies.