 NEW YORK, May 10, 2021 PRNewswire -- WHY: Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of So-Young International Inc. NASDAQ: SY resulting from allegations that So-Young may have issued materially misleading business information to the investing public. SO WHAT: If you purchased So-Young securities you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. 