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 shares. The beta of the stock remained 0.93. Apple Inc. (NASDAQ:AAPL) insider ownership is 0.04%.

In its most recent exit, Castlight Health Inc (NYSE:CSLT) went public in March, raising nearly $178 million and briefly valuing the health-care software company above $3 billion. Shares have settled back amid the broader tech stock slump. Venrock partner Bryan Roberts co-founded the company, and the firm held a stake of more than 20 percent before the offering. Castlight Health Inc (NYSE:CSLT) rose 3.79 percent to $15.60 Friday on volume of 458,220.00million shares. The intra-day range of the stock was $14.81 to $15.74. Castlight Health Inc (NYSE:CSLT) has a market capitalization of $2.57billion.

Textura Corp. (NYSE:TXTR), a provider of collaboration solutions for the construction industry, announced it has formed a partnership with AGC of Las Vegas. In a release, Textura Corp (NYSE:TXTR) said AGC of Las Vegas will promote Textura’s collaboration solutions as part of its membership package. Textura Corp (NYSE:TXTR)’s stock on May 16, 2014 reported a increase of 1.21% to the closing price of $19.17. Its fifty two weeks range is $13.80 -$47.25. The total market capitalization recorded $475.54million. The overall volume in the last trading session was 339,384.00million shares. In its share capital, TXTR has 24.88million outstanding shares.

Goldman Sachs upgraded shares of Nimble Storage, Inc (NASDAQ:NMBL) from a neutral rating to a buy rating in a research note released on Thursday morning, TheFlyOnTheWall.com reports. They currently have $34.00 target price on the stock, down from their previous target price of $46.00. On Friday, shares of Nimble Storage Inc (NYSE:NMBL) advanced 6.22% to close the day at $26.45. Company return on investment (ROI) is -22.40% and its monthly performance is recorded as 28.46%. Nimble Storage Inc (NYSE:NMBL) quarterly revenue growth is -44.37%.