Shares of Carvana Co. climbed higher Tuesday after a pair of research firms posted new data showing the Tempe online auto retailer saw improved sales as a result of car buyers making more purchases as stay-at-home orders eased around the country. The data was released by New York-based M Science and YipitData. Carvana shares reached as high as $110.50 in early trading on Tuesday, and finished the session up $17.27, or 18.8%, to close at $109.12.