PRISM Mid-Day Movers: MedTech and EV are Today’s Leaders.

Quantum-Si Incorporated (NASDAQ: QSI) shares climbed 28.94% to $1.38 as of 11:59 a.m. ET Thursday, up $0.31 from Wednesday’s $1.07 close. About 17.36 million shares had changed hands, already more than five times the stock’s average daily volume of roughly 3 million shares, as trading activity intensified around the protein-sequencing company.
SES AI Corporation (NYSE: SES) shares were up 26.08% at $0.76 as of noon p.m. ET Thursday, compared with Wednesday’s $0.60 close. About 33.5 million shares had traded—nearly twice the stock’s average daily volume of 17.4 million. The gain extended Wednesday’s advance, when SES closed 12.30% higher.
Other Notable Movers:
Airship AI Holdings (AISP) up 25%
Actuate Therapeutics (ACTU) up 17%
Veritone Inc. (VERI) down -35%
Stock prices are from 12:00 p.m October 1, 2026 and are subject to change.

















