Shares of Carvana (CVNA) are under pressure after CarMax (KMX) formally announced its omni-channel offering to allow consumers to buy a car completely from home, in-store or a combination. Commenting on the… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2832160/-Carvana-slides-after-CarMax-announces-new-online-purchase-process)