Fed Chair Powell says U.S. economy 'resilient,' but warns on coronavirus, productivity

WASHINGTON (Reuters) - Federal Reserve Chair Jerome Powell was fairly upbeat about the outlook for the U.S. economy in the first of his twice-a-year updates to Congress Tuesday, but cited a potential threat from the coronavirus in China and concerns about the economy's long-term health. The U.S. economic expansion, now in its 11th year, is the longest on record. Over the second half of 2019 "the economy appeared resilient to the global headwinds that had intensified last summer," Powell said in..