CarGurus Inc. shares fell more than 11% in the extended session Monday after investors looked past a better-than-expected quarter for the online car-selling platform to zero in on weaker current-quarter guidance. CarGurus CARG, +0.21% lost $23.7 million, or 21 cents a share, in the fourth quarter, contrasting with gains of $159 million, or 20 cents a share, in the year-ago period. Adjusted for one-time items, the company earned 35 cents a share. Revenue fell 22% to $223.1 million. Analysts polled by FactSe ...