Wall Street Advances Trade Optimism

NEW YORK (Reuters) - Wall Street extended its gains on Friday after a Chinese official’s optimistic remarks boosted investor hopes about U.S.-China trade talks as the G20 meeting in Buenos Aires opened. Traders work on the floor at the New York Stock Exchange (NYSE) in New York City, U.S., November 30, 2018. REUTERS/Brendan McDermid The S&P 500 was poised to post its biggest weekly percentage gain in almost 6 years.