Benzinga's Volume Movers

Tekmira Pharmaceuticals TKMR shares moved up 17.52% to $16.77. The volume of Tekmira Pharmaceuticals shares traded was 2887% higher than normal. Tekmira Pharma said a Food and Drug Administration action may enable the use of the company's TKM-Ebola drug for individuals infected with Ebola virus. Air Methods AIRM surged 11.19% to $59.14. The volume of Air Methods shares traded 761% higher than normal. Air Methods reported upbeat quarterly results. Mercadolibre MELI shares climbed 13.36% to $104.79. The volume of Mercadolibre shares traded was 710% higher than normal. Mercadolibre reported stronger-than-expected quarterly results. Medivation MDVN shares rose 7.43% to $80.86. The volume of Medivation shares traded was 343% higher than normal. Medivation reported Q2 earnings of $0.60 per share on revenue of $143.70 million.