NEW YORK–(BUSINESS WIRE)–Why: Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of Anavex Life Sciences Corp. (NASDAQ: AVXL) resulting from allegations that Anavex may have issued materially misleading business information to the investing public. So What: If you purchased Anavex securities you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrange