US and Chinese leaders meet in Washington amid market rally

President Donald Trump and Chinese leader Xi Jinping are meeting in Washington this week for their second summit of the year, focusing on trade relations, artificial intelligence, and sanctions. The meeting coincides with a significant market rally, as the S&P 500 recorded its best performance since August 4 and the Nasdaq Composite reached a record high. Investors are monitoring the summit for potential progress on trade agreements, while analysts note that the existing trade truce is set to expire on November 10.