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.com investors drove shares down sharply on Thursday (Feb 6) due to weakness in the retailer's cloud computing unit and lower-than-expected forecasts for first-quarter revenue and profit. Amazon's shares fell as much as 5 per cent in extended trade after the fourth-quarter earnings report,

Amazon shares fell 4% in Frankfurt on Friday a day after the retailer's results showed weakness in its cloud computing unit and it forecast and lower-than-expected first-quarter revenue and profit.