Amazon shares slid after the online-retail and cloud-services giant offered a first-quarter outlook that came up short of Wall Street’s expectations while forecasting bumpy trends in its cloud business.Amazon shares slid after the online-retail and cloud-services giant offered a first-quarter outlook that came up short of Wall Street’s expectations while forecasting bumpy trends in its cloud business. Amazon shares slid after the online-retail and cloud-services giant offered a first-quarter outlook that came up short of Wall Street’s expectations while forecasting bumpy trends in its cloud business.   Read More MarketWatch.com – Top Stories