Shares fell in Asia on Wednesday as AI darling Nvidia took a hit from U.S. curbs on chip sales to China, highlighting the damage to come in a tit-for-tat global trade war, while gold hit a record and the dollar stayed under pressure. Data showed that China’s economy grew 5.4% in the first quarter from a year earlier, beating expectations, although trade tensions with the U.S. have clouded the outlook. Overnight, President Donald Trump ordered a probe into potential new tariffs on all U.S. critical minerals imports, on top of reviews into pharmaceutical and chip imports.