Benzinga's Volume Movers

Prothena Corporation plc

shares moved up 1.58% to $23.74. The volume of Prothena shares traded was 3528% higher than normal. Prothena priced its public offering of 5.91 million of its ordinary shares at $22.00 per ordinary share. ICG Group

shares rose 12.48% to 15.77. The volume of ICG Group shares traded was 1870% higher than normal. ICG announced the sale of Procurian to Accenture plc

for $375 million in cash. CalAmp

shares climbed 14.07% to $21.32. The volume of CalAmp shares traded was 1549% higher than normal. CalAmp reported upbeat fiscal second-quarter results. VIVUS

surged 13.84% to $11.60. The volume of VIVUS shares traded was 692% higher than normal. Cowen & Company upgraded VIVUS from Market Perform to Outperform.