Rivian (RIVN) Stock After Hours: What Happened After the Bell on Dec. 12, 2025—and What to Watch Before the Next Market Open
Updated: Friday, December 12, 2025 (after-hours) Rivian Automotive, Inc. (NASDAQ: RIVN) closed out Friday, Dec. 12, 2025 with a sharp rebound that flipped the narrative from Thursday’s selloff into a fresh “AI + autonomy” momentum trade—powered by upbeat analyst reactions