Atara Biotherapeutics stock dives on FDA EBVALLO rejection — what ATRA investors watch next
Atara Biotherapeutics shares plunged about 56% to $6.03 in early trading after the U.S. Food and Drug Administration rejected its cell therapy tabelecleucel, marketed as EBVALLO in Europe, for a rare post-transplant cancer. The stock was volatile, swinging between $4.77 and $15.40 as investors reacted to the news, with volume exceeding 1.4 million shares.
