: Facebook blows past estimates, but warns growth will ‘decelerate’ in second half of year

Facebook Inc. is the latest tech giant to cash in on a surge in digital advertising, but worrisome guidance in the second half of the year initially sent its shares down 5% in extended trading Wednesday.

Facebook Inc. is the latest tech giant to cash in on a surge in digital advertising, but worrisome guidance in the second half of the year initially sent its shares down 5% in extended trading Wednesday.