【The three major U.S. stock indexes closed mixed, Circle surged over 20%, reaching a record closing high】The three major U.S. stock indexes closed mixed, with the Nasdaq down 0.51%, a cumulative increase of 0.21% this week; the S&P 500 index down 0.22%, a cumulative decrease of 0.15% this week; the Dow Jones up 0.08%, a cumulative increase of 0.02% this week. Most large tech stocks fell, with Google down nearly 4%, Meta, Intel, Amazon, and Nvidia down over 1%, and Microsoft slightly down; Apple rose over 2%, and Tesla edged up. Circle surged over 20%, reaching a record closing high.