Eos Energy Enterprises (EOSE) stock was up 43% in Wednesday premarket activity after the company posted a swing to a Q1 profit and higher revenue, both of which beat analysts' forecasts.
Wolfspeed (WOLF) shares were 22% higher, extending gains from the previous session.
Nextpower (NXT) stock was up 15% the day after the company reported higher-than-expected fiscal Q4 adjusted EPS and revenue, and raised its fiscal 2027 revenue guidance.
QuantumScape (QS) shares were 8.6% higher, adding to Tuesday's gain.