Brooklyn ImmunoTherapeutics Inc. BTX, +3.69% said Tuesday it’ll change its stock trading ticker to ERNA on Monday, Oct. 17, as part of a name change to Eterna Therapeutics Inc. The San Diego-based clinical stage biopharmaceutical company said the new name reflects its focus on developing advanced therapies using its patented mRNA cell engineering technologies. Shares of Brooklyn ImmunoTherapeutics rose 0.9% in premarket trades.