Rivian is making the best of a difficult EV environment.Rivian Automotive (RIVN 7.81%) recently reported third-quarter results that were better than expected and beat analysts' consensus estimates for both its top and bottom lines. That sent Rivian's stock soaring by more than 20% following the results.But it's important to put the latest results into context. So let's look at three important takeaways from the third quarter and what they might mean for the electric vehicle (EV) company. 1. Revenue was high ...