The Nasdaq Biotechnology Index rose 5%, its biggest intraday gain since April 2025, with Moderna (MRNA.O) up nearly 120% and Merck (MRK.N) up 11.3%.

2026-08-19

The Nasdaq Biotechnology Index rose 5%, its biggest intraday gain since April 2025, with Moderna (MRNA.O) up nearly 120% and Merck (MRK.N) up 11.3%.