“Home-run” efficacy and what Cowen analyst Tyler Van Buren called “pristine” safety in the phase II Alpha3 study with CAR T therapy cemacabtagene ansegedleucel (cema-cel) sent shares of Allogene Therapeutics Inc. (NASDAQ:ALLO) skyward to a $4.46 high, up nearly 64%, on April 13. Shares eventually closed at $3.06, up 34 cents.