PORTOLA PHARMACEUTICALS, INC. CLASS ACTION ALERT: Wolf Haldenstein Adler Freeman & Herz LLP announces that a securities class action lawsuit has been filed in the United States District Court for the Northern District of California against Port

All investors who purchased shares of Portola Pharmaceuticals, Inc. and incurred losses are urged to contact the firm immediately at [email protected] or (800) 575-0735 or (212) 545-4774.