Paul Carton ( ChangeWave Alliance ) submits: Since February, our ChangeWave consumer spending surveys have shown tremendous strength for Wal-Mart (WMT) and Costco (COST) – and the current findings are no exception. Our latest survey of 4,403 respondents continues to track a powerful consumer movement towards the discount retailers and wholesale clubs – even though overall consumer spending is rising for the first time in nearly a year. Complete Story » ...