Rivian also revised its 2026 guidance to mark expected improvements in its vehicle deliveries, pre-tax adjusted earnings and capital expenditures. Rivian Automotive Inc (NASDAQ:RIVN) shares rose 3.8% in after-hours trading Thursday after the electric vehicle maker reported third-quarter revenue and earnings that exceeded Wall Street. CEO RJ Scaringe said higher reservation-to-order conversions and improving margins signal progress in the EV maker’s mass-market push. Rivian Automotive beat quarterly revenue estimates and.