Surface revenue does a U-boat, and dives

Revenue generated by Microsoft's Surface hardware during the March quarter was down 26% from the same period the year before, the company said yesterday as it briefed Wall Street.For the quarter, Surface produced $831 million, some $285 million less than the March quarter of 2016, for the largest year-over-year dollar decline ever.Microsoft blamed the portfolio's age and increased competition from hardware partners for the fall-off. "Our Surface results fell short of expectations impacted by end