Allurion Technologies (ALUR) shares rose 328% in recent Friday premarket activity after it said overnight that it planned to initiate a combination clinical trial to enhance muscle mass and overall body composition.
Aclarion (ACON) stock was up 72%, extending Thursday's gain.
Twilio (TWLO) shares jumped 19% after Baird upgraded it to outperform from neutral and raised its price target to $160 from $115.
WisdomTree (WT) stock was 5.2% higher after saying it has named Smita Conjeevaram chair of the board.