Benzinga’s Volume Movers (ARST, DLLR, FIRE, ARUN)

Arc Sight Inc ARST shares moved up 5.54% to $38.66 at 11:56 am. The volume of ARST shares traded was 1272% higher than normal. ARST announced that it has put itself up for a sale. Dollar Financial Corp DLLR shares rose 16.90% to $18.26. The volume of DLLR shares traded was 668% higher than normal. DLLR had reported better-than-expected Q4 operating profits. Sourcefire Inc FIRE shares climbed 5.88% to $26.13. The volume of FIRE shares traded was 583% higher than normal. FIRE’s quarterly earnings surged 1,566.40% y/y. Aruba Networks Inc ARUN shares gained 8.63% to $18.00. The volume of ARUN shares traded was 402% higher than normal. ARUN had posted upbeat Q4 results. Read more from Benzinga's Company news.