In this segment from Tuesday's Investor Beat, Motley Fool analysts Jason Moser and Bryan White each discuss one stock they'll be keeping a close eye on this week, as earnings season begins. Jason will be looking ahead to when Family Dollar (NYSE:FDO.DL) reports, noting that while these dollar-store companies seemed interesting during the recession, as the economy continues to improve, they are finding competition tougher and tougher, and margins thinner and thinner. Meanwhile, Bryan says he'll be keeping an ear out for news about National Oilwell Varco (NYSE:NOV), to hear when the company will finally announce the official spin-off of its distribution segment.