AI-driven lending platform Upstart’s auto originations soared 224% year over year in the fourth quarter amid improved liquidity and revamped underwriting processes.  Upstart originated $43 million in auto loans in Q4, up 61% quarter over quarter, according to the fintech’s Feb. 11 earnings presentation. The San Mateo, Calif.-based firm originated 1,715 loans in Q4 compared […]