By Luc Olinga Rivian, the producer of electric pickups, SUVS and vans, is increasing production rates. Rivian (RIVN) – Get Rivian Automotive, Inc. Class A Report is trying to break a bad streak. As athletes well know, a few subpar performances can undermine morale. They train, repeat that they’re in top form and this time it’s going to be fine, and on the day of the competition they give everything they have — and come up short. Sometimes, they get a bit discouraged. But when they’re about to give in, a little voice or spark pushes them to train yet harder to reverse the trend and taste victo…