The retail sector is in focus with big retailers like Home Depot (HD) , Lowe’s (LOW) , Wal-Mart (WMT) and Target (TGT) , as well as store channels like Nordstrom (JWN) and Kohl’s (KSS) , due to report earnings. So far, 23 out of 34 retailers on the S&P 500 Index have already reported. Earnings of these companies are up 17.3% from the same period last year on 6.3 higher revenues, with 52.2% beating EPS estimates and 47.8% beating revenue estimates. Overall, the retail sector is expected to report earnings gr ...