The business is still struggling, but results were better than expected.Shares of Upstart (UPST 44.20%) were surging today after the struggling consumer lending platform posted better-than-expected results in the second quarter and offered upbeat guidance for the third quarter, showing that the business may finally be returning to growth.As of 12:51 p.m. ET, the stock was up 48.6%. Upstart bounces backUpstart, which uses an AI-based model to screen prospective lenders to better assess creditworthiness and d ...