Tech Stocks ended the week with mild gains, primarily led by Salesforce.com, inc. (NYSE:CRM) and the videogame company, GameStop Corp. (NYSE:GME). Both the companies received excellent response from the investors after beating their second quarter expectations. Other primary companies contributing towards the upward industry momentum include Apple Inc. (NASDAQ:AAPL), Google Inc (NASDAQ:GOOGL), and Yahoo! Inc.…