历时约1小时40分钟，中美元首会晤结束

Group 1 - The meeting between Chinese President Xi Jinping and U.S. President Donald Trump took place in Busan, South Korea, lasting approximately 1 hour and 40 minutes [1] - The meeting is significant as it reflects ongoing diplomatic relations and discussions between the two countries [1] Group 2 - The timing of the meeting suggests a potential focus on trade negotiations and geopolitical issues [1] - The outcome of this meeting may influence market sentiments and investment strategies in both countries [1]