U.S. stocks opened mixed, with Vaxcyte rising 53%

According to Gate market data, U.S. stocks opened with the Dow Jones down 0.1%, the S&P 500 index up 0.07%, and the Nasdaq up 0.1%. Star tech stocks showed mixed results, with Intel down 2.8%, TSMC up 1.1%, and NVIDIA up 0.6%. Vaxcyte surged 53%, as the company's pneumococcal vaccine reached late-stage clinical trial goals.