Even for everyday people in China, President Donald Trump’s influence looms large. A steel trader in the southern city of Fuzhou said his business had been depressed by the trade war. A taxi driver in northern China complained that the increase in global gas prices amid the war in Iran meant he had to pay more at the pump. At a shopping mall in Beijing, Sunny Sun, a woman who was invested in stocks, said she was watching her portfolio, wary of the impact of announcements from the president’s summit with Xi Jinping, the Chinese leader. “There’s definitely some uncertainty in the market sentiment, because Trump is the kind of person who says one thing today and another tomorrow when he gets back to the United States,” Sun said. “His words can actually stir up things globally.” ‘Like stand-up comedy’ Some residents were surprised to hear that Trump was visiting China, but all knew who he was.…