The following video is from Tuesday's Investor Beat, in which host Chris Hill and Motley Fool analysts Jason Moser and Matt Koppenheffer dissect the hardest-hitting investing stories of the day.

In this segment, Jason discusses what he's looking for in Zillow's (NASDAQ:ZG) earnings and his upcoming exclusive interview with Zillow CEO Spencer Rascoff after the earnings release. Meanwhile, Matt takes a look at Markel (NYSE:MKL) and talks about why CIO Tom Gayner is a key part of his investing thesis in this company.