 Caladrius Biosciences Inc NASDAQ:CLBS was the recipient of unusually large options trading on Tuesday. Investors bought 3,221 call options on the company. This represents an increase of approximately 1,391 compared to the typical volume of 216 call options. Shares of CLBS stock opened at 3.00 on Wednesday. Caladrius Biosciences has a 52-week low of 1.05 ... 