Radiopharm Theranostics (RADX) shares were 39% lower pre-bell Tuesday, paring Monday's rally.
Lightwave Logic (LWLG) stock was down 19% after the company said late Monday it priced an underwritten offering of 11.7 million common shares for gross proceeds of about $35 million.
Ascent Solar Technologies (ASTI) shares were 13% lower, shaving gains from the previous session.
Verrica Pharmaceuticals (VRCA) stock was down 12%, adding to losses from the previous session.
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