Benzinga's Volume Movers

shares climbed 13.35 percent to $30.65. The volume of Rent-A-Center shares traded was 781 percent higher than normal. Rent-A-Center reported upbeat results for the first quarter on Monday.

surged 7.30 percent to $35.86. The volume of Owens & Minor shares traded 527 percent higher than normal. Owens & Minor reported Q1 adjusted earnings of $0.44 per share on revenue of $2.39 billion.

shares moved up 3.77 percent to $30.04. The volume of Changyou.Com traded was 490percent higher than normal. Changyou.com reported Q1 EPS of $0.97 on revenue of $209 million.

shares rose 12.03 percent to $13.50. The volume of Rudolph Technologies shares traded was 466 percent higher than normal. Rudolph Technologies reported better-than-expected Q1 results.