U.S. stocks opened, with the Dow down 0.13% and NIO up about 6%

According to Gate market data, at the opening of the US stock market, the Dow Jones Industrial Average fell by 0.13%, the S&P 500 index fell by 0.03%, and the Nasdaq Composite Index rose by 0.1%. NIO Inc. (NIO.N) rose by about 6%, with expected first-quarter revenue growth of 103.4% to 109.2% year-on-year. BioNTech (BNTX.O) plummeted by about 19%, as the company's 2026 revenue guidance was below market expectations.