Microsoft's cloud business slows, casts shadow over results

(Reuters) - Microsoft's Azure cloud business showed slower quarterly growth even as the software maker topped estimates for profit and revenue, indicating that the company may be facing intense competition in its fastest-growing business.Revenue from Azure increased 59% in the quarter ended Sept. 30, but came in well below last year's 76% growth.Since Chief Executive Satya Nadella took over in 2014, Microsoft has been diversifying from its Windows operating system software, and has focused on..