Gainers
Ambrx Biopharma Inc. (NYSE: AMAM) shares jumped 551.4% to $2.67 after the company announced preliminary Phase 2 results from its ACE-Breast-03 study showing a 57.1% overall response rate.
Gainers
Digital Media Solutions, Inc. (NYSE: DMS) shares climbed 71.9% to close at $2.20 on Friday after the company received a non-binding go-private proposal from Prism Data for $2.50 per share in cash.