US PREMARKET MOVERS: BABA, VKTX, VICR, CRCL, ONON, VLO, MPC, ERIC, GME, GRAB, CRM

ES +0.1% NQ -0.1% RTY +0.5% BABA +3.0%: Unveiled Zhenwu V900 chip, which it says is the most powerful in China, with three times the performance of its predecessor VKTX +30.8%: VK2735 showed positive weight maintenance and favourable tolerability in a 12-week maintenance study. VICR +8.5%: Raised Q3 sequential growth guidance to more than 20% from nearly 10% CRCL +1.3%: Entered an expanded strategic partnership with Binance ONON +6.3%: Targets high-teens constant-currency sales growth through 2029; authorised first share buyback, up to $1B VLO -2.7%, MPC -2.3%: Downgraded at Jefferies to Hold from Buy ERIC -4.8%: Downgraded at Morgan Stanley to Underweight from Equal Weight GME +4.2%: CEO Ryan Cohen acquired 1.15M shares on 21st September, at $22.9375/shr GRAB +5.8%: CEO Anthony Tan purchased 10.4mln shares on 21st September, for $29.9M CRM +2.0%: Director David Kirk purchased 4,176 shares on 18th September, for a total of $999.5K