Upcoming S&P 500 Earnings Releases: Before the Bell: Campbell Soup Co. (CPB), Pall Corp. (PLL) After the Bell: Salesforce.com (CRM) Important Data Releases: US: Prelim GDP q/q, released byBureau of Economic Analysis, measures Annualized change in the value of all goods and services produced by the economy. Unemployment Claims, released by Department of Labor, measures the number of individuals who filed for unemployment insurance for the first time during the past week.