U.S. third-quarter economic growth revised down to 3.4 percent

WASHINGTON, Dec 21 (Reuters) - - The U.S. economy slowed in the third quarter a bit more than previously estimated, but the pace was likely strong enough to keep growth on track to hit the Trump administration's 3 percent target this year, even as momentum appears to have moderated further early in the fourth quarter.Gross domestic product increased at a 3.4 percent annualised rate, the Commerce Department said on Wednesday in its third reading of third-quarter GDP growth. That was slightly down..