 Bluerock Residential Growth REIT Inc NYSEAMERICAN:BRG was the recipient of some unusual options trading activity on Wednesday. Investors acquired 674 call options on the stock. This is an increase of approximately 921 compared to the typical volume of 66 call options. Bluerock Residential Growth REIT stock opened at 7.52 on Thursday. Bluerock Residential Growth REIT ... 