Economic growth stumbled in fourth quarter, closing the weakest year for U.S. since 2011

WASHINGTON — The U.S. economy stumbled in the fourth quarter, expanding at a disappointing 1.9 percent annual pace and making last year the weakest for growth since 2011, the Commerce Department reported Friday. The figure for the October-through-December period was below analyst expectations and well off the 3.5 percent annual growth rate for the third quarter.…