Flotek chairman and CEO John Gibson (FTK) on how chemistry and data science are improving gas and oil drilling technology and how Flotek aims to be a green company in the fracking business. Fastly crashes the web showing just how important this San Francisco tech company is to the global internet  (FSLY). And Wendy’s is a whole lot more than a square burger, it’s a hot stock, a tech story -- and a scathing Twitter account   (WEN). Is the boom in Stitch Fix (SFIX) sales merely a result of stimulus checks? We hear from the CFO. And a look at the tax tricks employed by Jeff Bezos, Mike Bloomberg (our old boss), Warren Buffett and Elon Musk which has them paying so much less than the rest of us.  The Drill Down with Cory Johnson offers a daily look at the business stories behind stocks on the move. Learn more about your ad choices. Visit megaphone.fm/adchoices