Sunesis Pharmaceuticals, Inc. (NASDAQ:SNSS) shares fell 18.57% in after hours trading on volume of 144,930 shares traded.
Dendreon Corporation (NASDAQ:DNDN) shares fell 17.45% in after hours trading on volume of 5,031,344 shares traded.
Exelixis, Inc. (NASDAQ:EXEL) shares fell 8.36% in after hours trading on volume of 48,699 shares traded.
ZIOPHARM Oncology Inc. (NASDAQ:ZIOP) shares fell 5.66% in after hours trading on volume of 11,715 shares traded.
Auxilium Pharmaceuticals, Inc. (NASDAQ:AUXL) shares fell 5.57% in after hours trading on volume of 11,643 shares traded.