Charlie O'Shea offers his perspective on the retail trade after Walmart (WMT), Ross Stores (ROST), and Target (TGT) posted varying earnings results. Focusing more on TJX Companies (TJX), he sees the stock's sell-off after earnings as a buying opportunity. Charlie points to strengths in the retail giant's sales and why he believes investors sold off shares. Tom White turns to an example options trade in Walmart.