 9.35am: Tech earnings in focus US stocks opened mixed as investors await the release of earnings from tech giants Microsoft and Alphabet due after the bell today. Just after the market opened, the Dow Jones Industrial Average had shed 45 points or 0.1 at 31,454 points, while the SP 500 was up 9 points or 0.2 at 3,806 points and the Nasdaq Composite had added 77 points or 0.7 at 11,032 points. 