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, Central District of California, on behalf of investors of Silver Wheaton Corp. (NYSE: SLW) (“Silver Wheaton” or the “Company”) that held shares between March 30, 2011 and July 6, 2015 (the “Class Period”). If you purchased Silver Wheaton s