Amazon (AMZN), Amgen (AMGN), Applied Micro (AMCC), Electronic Arts (EA), Flex (FLEX), Hanesbrands (HBI), KLA-Tencor (KLAC), Manitowoc (MTW), Microsemi (MSCC), Microsoft (MSFT), Netsuite (N), Reinsurance Group of America (RGA), Skywoks (SWKS), Unisys (UIS), Visa (V) and Western Digital (WDC) are among the companies due to release their quarterly results after the close of trading.