Overnight trading: US stocks were mixed, with the Dow down 0.47%, the Nasdaq up 0.14%, and the S&P down 0.27%; Large-cap tech stocks were mixed, with Micron Technology up more than 4%, Nvidia up nearly 1% and ARM down more than 3%. Oil and gas stocks were broadly lower, with Schlumberger down more than 4% and Apache Oil down more than 2%. Most Chinese stocks rose, with Xiaopeng Motor up more than 6 percent and Ideal Motor up more than 3 percent.