NEW YORK, March 30, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of  securities of Power Solutions International, Inc. (NASDAQ: PSIX) between May 8, 2025 and March 2, 2026, inclusive (the “Class Period”), of the important May 19, 2026 lead plaintiff deadline. SO WHAT: If you purchased Power Solutions securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrang ...