>> announcer: "lightning round" is sponsored by td ameritrade. >>> in honor of throwback thursday and the ipo, we took a look back at our twitter time machine and found some fun stats. i sent my first tweet back in 2008. after quick math which i did in my head, i sent 17 tweets a day. i can't decide if i work or tweet more. don't tell my executive producer that. anyway, now it is time, it is time for the "lightning round" on cramer's "mad money." what is that all about? rapid fire calls. >> buy, buy, buy. >> sell, sell, sell. >> play this sound and then the "lightning round" is over. are you ready, skee-daddy? time for the "lightning round," cramer's "mad money." let's start with jack in new york. jack? >> caller: boo-yah, jimmy. jimmy, you're my hero. hk. buy, sell or hold? >> i'm tired of halcon. they've got to get it together and meet production goals. that absolutely to have meet production goals. they're not. let's go to nick in ohio. nick? >> caller: boo-yah from ohio. >>...