i want to thank you, jay chaudhry, who is the zscaler founder and ceo.gratulations on the fastest growth of any quarter we have. >> jim, thank you. >> absolutely. "mad money" is back after the break. thank you. >> announcer: coming up, cramer goes back to school. ibm is investing in the workplace in the future and the ceo explains how big tech can make a big difference. >> mentorship, internship, and a chance at a job, and you do that and every child can succeed. >> announcer: lightning round is sponsored by td ameritrade >> it is time. are you ready? are you ready, skee-daddy? >> caller: my question's about -- >> did not like that last quarter, they're in the penalty box, they're going to skip that one. james in california. >> caller: hey, jim, give a shoutout to buzzer and ozzie, i was calling about crc, california resources >> stay away it's a fossil fuel company that we don't like and we're recommending very few of those george in massachusetts. george >> caller: booyah, jim >> booyah. >> caller: the stock is medifast >> no, no. planet fitness, my fr