Benzinga’s Volume Movers (AMLN, OVTI, DISCK, AVAV)

Amylin Pharmaceuticals Inc

shares soared 2.33% to $19.76 at 11:12 am. The volume of AMLN shares traded was 272% higher than normal. Analysts at BMO Capital Markets upgraded AMLN from “underpeform” to “market perform.” OmniVision Technologies Inc

shares gained 6.59% to $24.10. The volume of OVTI shares traded was 152% higher than normal. On CNBC's Mad Money program on June 26, Jim Cramer said that he is bullish on OVTI. Discovery Communications Inc

shares moved up 2.19% to $33.06. The volume of DISCK shares traded was 81% higher than normal. DISCK will report its Q2 results on August 3. AeroVironment Inc

shares rose 6.91% to $22.91. The volume of AVAV shares traded was 63% higher than normal. AVAV has issued weak forecasts for fiscal 2011. Read more