. >> mary dillon, mary dillon has the best customer management software she is the most pro customer,t loyalty, the best loyalty of any public company. best loyalty club. i call it a club that's how good they are and i think you should own that stock. i wish she'd split it. how about dustin in texas. dustin >> caller: big boo-yah from houston, texas, jim. how are you doing? >> we always get good questions from houston i'm all set for you. >> i'm calling on car gurus. >> you know, i can only recommend so many companies in that area, and i like carvana, okay i'm a carvana guy because i'm a millennial wanna-be. let's go to anna probably can't be millennial at this stage in my life. let's go to anna in kentucky anna >> caller: hi, jim thank you for taking my call >> of course >> caller: i have a question about marathon oil company, mro >> this is a very tough thing. don't buy it let's not get trapped in oil stocks oil stocks are kind of like they're trading like coal stocks and that, ladies and gentlemen, is the conclusion of the "lightning round"! [ buzzer ] >> the "lightning round" is s