Connect Biopharma is trading $2.14, up 10.82% in pre-market after plunging 30.07% during the September 3, 2026 regular session. - No clear company-specific catalyst was identified for the September 4 pre-market rebound. - The September 3 announcement confirmed managementβs September 15 H.C. Wainwright fireside chat, while investors await September Phase 2 data. - Broader futures were modestly mixed, so market sentiment does not clearly explain the move.