Top Premarket Gainers

07:04 AM EDT, 09/04/2026 (MT Newswires) -- Immuron (IMRN) shares rose more than 52% in Friday premarket activity after the company announced an exclusive distribution agreement for Probis in the US with Calmino Group AB. Planet Green (PLAG) stock was 35% higher, extending a 7.3% gain in the earlier session. American Outdoor Brands (AOUT) shares were up more than 25% following the company's fiscal Q2 results. Concrete Pumping (BBCP) stock was 16% higher after the company reported better-than-expected fiscal Q2 results and raised its fiscal 2026 revenue guidance.