Weight Watchers International Inc. (NYSE: WTW) shares surged 41% to $63.32. Share volume was 7.5 million shares, dwarfing its daily average of 303,000, after fourth-quarter earnings more than doubled.
Microsoft Corporation (Nasdaq: MSFT) dealt in 37.5 million shares Thursday, catching up on its daily average of 57.2 million, MSFT prices improved 0.8% to $27.23.
Threshold Pharmaceuticals Inc. (Nasdaq: THLD) gave back 14.9% in price Thursday to $2.34. Volume was 3.9 million shares, nearly 10 times its daily average, after agreeing with the FDA on a Special Protocol Assessment for a Phase 3 randomized trial of TH-302 in patients with soft tissue sarcoma.