Mink Therapeutics (INKT) shares were 69% higher pre-bell Tuesday after the company said it has entered into a strategic partnership with C-Further to develop a cell therapy for pediatric cancers.
Zevra Therapeutics (ZVRA) stock was up 15%, a day after the company reported improved Q4 financial results.
Teladoc Health (TDOC) shares were 8% higher after Deutsche Bank (DB) upgraded the company's stock to buy from hold.