Relay Therapeutics is trading at $17.20, down 6.98%, with biotech-sector weakness possibly contributing to the pre-market decline. - It closed at $18.49 on October 1. - The XBI was reported down 2.01% pre-market, while major U.S. indices traded higher. - No clear company-specific announcement explaining the decline surfaced in available search results. The sector decline follows negative developments at several biotech companies, not a reported Relay Therapeutics event.