U.S. tech giants Apple Inc. (NASDAQ:AAPL), Google and Amazon and French game developer Gameloft re under investigation in Italy for alleged unfair commercial practices, the country’s antitrust and competition authority said. Apple Inc. (NASDAQ:AAPL) stock performance was 1.48% in last session and finished the day at $597.51. Traded volume was 9.87million shares in the last session and the average volume of the stock remained 9.64million … Continue reading Tech Top Gainers: Apple Inc. (NASDAQ:AAPL), Castlight Health Inc (NYSE:CSLT), Textura Corp (NYSE:TXTR), Nimble Storage Inc (NYSE:NMBL)