Cardinal Health Inc is trading 19.4% down at $183.65 following a sharp after-hours selloff with no immediate news catalyst reported.
- The stock plunged from its regular-session close of $227.85 in what appears to be an idiosyncratic move, as major market indices are only modestly lower.
- As of June 16, 2026, there are no fresh earnings releases, regulatory filings, major litigation headlines, or analyst rating changes to explain the price action.