Registration data showed a surprise truck overtaking Rivian's R1T.Despite the doom and gloom surrounding the electric-vehicle (EV) industry lately, Rivian (RIVN -2.10%) investors have found some glimmers of positive news to digest. Unfortunately, that wasn't the case recently with registration data from S&P Global Mobility, which showed a sharp decline in vehicle registrations and some of Rivian's closest competitors surging.By the numbersRivian carved out a niche in the EV market by beating rivals to the E ...