Watch These 7 Huge Put Purchases In Thursday Trade By: Benzinga via Benzinga August 25, 2016 at 03:44 AM EDT Benzinga's newsdesk monitors options activity to notice unusual patterns. These large volume (and often out of the money) ... Read More >> Related Stocks: 3D Systems Corp Best Buy Cummins Factset Research Systems Inc GUESS Progenics Pharmaceuticals Stratasys Ltd