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Why MacroGenics Stock Is Tanking Today

Why MacroGenics Stock Is Tanking Today

Shares of MacroGenics (NASDAQ: MGNX) were tanking 26.4% lower as of 11:39 a.m. EDT on Thursday. The big decline came after the company announced data from a cohort in a phase 3 study evaluating margetuximab in combination with retifanlimab in treating gastroesophageal adenocarcinoma, cancer of the stomach and esophageal junction with the stomach. MacroGenics also announced preliminary data from a phase 1 clinical study evaluating MGC018 in treating advanced solid tumors.