Watch These 5 Huge Call Purchases In Wednesday Trade By: Benzinga via Benzinga August 09, 2017 at 04:20 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: Ambarella Inc Heron Therapeutics Nanostring Tech TripAdvisor Urban Outfitters