SAN FRANCISCO, Jan. 9, 2026 /PRNewswire/ -- A securities class action lawsuit has been filed against Ardent Health, Inc. (NYSE: ARDT) following the company's Q3 2025 financial disclosures that revealed significant adverse accounting adjustments totaling about $90 million and sent the stock tumbling over 33% in mid-November. The lawsuit seeks to represent investors who purchased or otherwise acquired Ardent securities between July 18, 2024 and November 12, 2025. National shareholders rights firm Hagens Berma ...