Zhengye Biotechnology (ZYBT) shares were down 52% in Tuesday premarket activity after the previous session's 1,047% rally.
Li Bang International (LBGJ) stock was down 44%, extending Monday's nearly 91% decline.
Eva Live (GOAI) shares were down 21%, adding to the earlier session's 3.7% loss.
Meiwu Technology (WNW) stock was down 21%, extending the previous session's 4.6% decline.
Agios Pharmaceuticals (AGIO) shares were down 17% after the company said a phase 2 study of tebapivat did not establish a differentiated profile to support continued development in sickle cell disease.