NEW YORK, Dec. 13, 2025 /PRNewswire/ -- Why: Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of Alvotech (NASDAQ: ALVO) resulting from allegations that Alvotech may have issued materially misleading business information to the investing public. So What: If you purchased Alvotech securities you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. The Ros ...