Q/C Technologies (QCLS) shares were 15% lower pre-bell Friday following a 1.2% gain in the previous session.
AnaptysBio (ANAB) stock was down 14% after the company said it is suing GSK's (GSK) Tesaro unit over an alleged breached of their collaboration agreement covering cancer drug Jemperli.
Albemarle (ALB) shares were 5% lower, adding to losses from the previous session.