Top Premarket Gainers

07:13 AM EDT, 09/01/2026 (MT Newswires) -- GoPro (GPRO) shares were 71% higher pre-bell Tuesday following media reports that YouTube creator Mark Fischbach has become the company's largest single shareholder. TDH (PETZ) stock was up 24% after a Monday regulatory filing showed that the company's CEO Dandan Liu bought company shares. Game Your Game (GYGY) shares were 20% higher following a 0.9% gain in the prior session. YY Group (YYGH) stock was up 14% after the company announced a corporate rebranding and ticker change. Fervo Energy (FRVO) shares were more than 13% higher, extending gains from Monday's session.