U.S. employers announced the most job cuts in five months in August, with the tech sector the hardest hit, data showed on Thursday, amid an uncertain outlook for economic growth and persistent cost concerns. Companies announced 75,891 job cuts last month, roughly triple July's figure and the biggest monthly increase in a year, employment consultancy Challenger said. However, the number of job cuts announced so far this year is down 3.7 percent. "The surge in layoffs in August reflects increased ...