WILMINGTON, Del.--(BUSINESS WIRE)--Andrews & Springer LLC, a boutique securities class action law firm focused on representing shareholders nationwide, announced today that a securities fraud class action lawsuit has been filed in the U.S. District Court, Southern District of California, by another law firm on behalf of investors of Celladon Corporation (NASDAQGM: CLDN) (“Celladon” or the “Company”) that held shares between July 7, 2014 and June 25, 2015 (the “Class Period”). If you purchas