Stocks dropped sharply as AI concerns surfaced again. The Nasdaq composite led major benchmarks lower with a 2% loss. The Dow industrials retreated below 50000, down 669 points, or 1.

Shares of GH Research PLC (NASDAQ:GHRS) rose sharply in pre-market trading after the company announced it will provide an update on its FDA IND status and Phase 3 program for GH001 in treatment-resistant depression.