Benzinga's Volume Movers

Heron Therapeutics Inc HRTX surged 7.7 percent to $21.39. The volume of Heron Therapeutics shares traded was 1784 percent higher than normal. Heron Therapeutics reported the FDA approval of SUSTOL ER injection for the prevention of chemotherapy-induced nausea and vomiting.
Varonis Systems Inc VRNS shares moved up 6.1 percent to $27.59. The volume of Varonis Systems traded was 1364 percent higher than normal. Varonis posted a narrower-than-expected quarterly loss.
Yelp Inc YELP shares climbed 12.9 percent to $36.85. The volume of Yelp shares traded was 777 percent higher than normal. Yelp reported a surprise profit for the second quarter. The company also exceeded analysts’ sales estimates.
ExOne Co XONE shares rose 16 percent to $13.42. The volume of ExOne shares traded was 451 percent higher than normal. ExOne posted a narrower-than-expected Q2 loss.