Watch These 7 Huge Put Purchases In Friday Trade By: Benzinga via Benzinga September 22, 2017 at 04:17 AM EDT Benzinga's newsdesk monitors options activity to notice unusual patterns. These large volume (and often out of the money) trades ... Read More >> Related Stocks: Alnylam Pharmaceuticals Diamond Offshore Drilling Greenbrier Companies Microsoft Morgan Stanley Procter & Gamble Sherwin-Williams