U.S. President Donald Trump poses for a photo with China's President Xi Jinping before their bilateral meeting during the G20 leaders summit in Osaka, Japan, June 29, 2019.The mere prospect of a U.S.-China trade deal is enough to send global markets higher.On Monday stateside, the S&P 500, Dow Jones Industrial Average and Nasdaq Composite closed at record highs, as did Japan's Nikkei 225 and South Korea's Kospi during Asian trading hours. European stocks rose too, but the Stoxx 600 was just an inch away fro ...