Investing.com - On Monday, new home sales data and the Chicago Fed's economic activity report are released.On Wednesday, the government reports its first reading on gross domestic product in the fourth quarter. New Federal Reserve Board Chairman Jerome Powell delivers two days of testimony to Congress on Tuesday and Thursday.The closely watched PCE price index is released on Thursday. Also due out is data on personal spending, income and consumption.On Friday, the University of Michigan releases final data on its consumer sentiment index in February.Top earnings releases include Priceline on Tuesday, Salesforce.com (NYSE:CRM) on Wednesday and Best Buy on Thursday.