Vaxxinity (NASDAQ:VAXX – Get Rating) was downgraded by Zacks Investment Research from a “hold” rating to a “sell” rating in a report released on Thursday, Zacks.com reports. According to Zacks, “Vaxxinity Inc. is a biotechnology company pioneering a new class of immunotherapeutic vaccines to democratize health. Vaxxinity Inc. is based in DALLAS, Texas. “ Vaxxinity […]