Shares of the warehouse retailer dipped on weak guidance.Shares of BJ's Wholesale Club (BJ -5.77%) were sliding today in response to news of an underwhelming second-quarter earnings report from the warehouse club chain.While the company topped estimates for the quarter past, guidance called for full-year earnings per share (EPS) to come at the lower end of this guidance.As a result, the stock was down 6.5% as of 12:46 p.m. ET. BJ's edges out expectationsThe warehouse club chain, which competes with Sam's Cl ...