Rivian's first quarter of positive gross profit is a major milestone. But the company warns of a tougher year yet ahead.

The good news is that on Thursday afternoon, Rivian reported a fourth-quarter gross profit of $170 million, a result of sales ...

Startup Rivian Automotive hit a milestone Thursday, reporting its first quarter of gross profit. The hitch: much of it was driven by sales of regulatory credits to other automakers, rather than ...