CI ▼ -1.6% - The Cigna Group $CI - Is Volunteering Good for Your Health? New Research From The Cigna Group Finds a Strong Connection Cigna Group fell 1.6% today despite releasing new research highlighting health benefits of volunteering. The decline suggests investors may have viewed the wellness research announcement as insufficient to offset broader market headwinds or concerns about the insurer's core business fundamentals. 16-SEP-2026 10:07 AM ET