Shares of Rivian jumped over 15% after the EV maker announced a $5.8 billion investment from German automaker Volkswagen as part of their joint venture.

Rivian Automotive Inc. and Volkswagen have launched their upsized joint venture, joining forces with the goal of creating “cutting-edge” electric-vehicle technology.

The joint venture targets Rivian’s existing electrical architecture and software technology stack, enabling the launch of Rivian’s R2 model in the first half of 2026, the companies said.