text:  U.S. stocks are trading higher this hour. The Dow is up 310 points. The S&P is risen 37. The Nasdaq is up 151 points. It's NPR News. Support for NPR comes from NPR stations. Other contributors include Schwab, with Schwab investing themes like artificial intelligence, renewable energy, or pet passion. Over 40 themes to invest in. Learn more at Schwab.com and the Doris Duke Foundation.