The three major U.S. stock indexes opened with mixed gains and losses, with the Dow Jones Industrial Average down 0.81%, the Nasdaq up 0.22%, and the S&P 500 down 0.08%. Large technology stocks rose and fell. Coinbase rose more than 4%, and the U.S. Securities and Exchange Commission plans to withdraw the lawsuit against the company. UnitedHealth fell more than 10%, and it was reported that the U.S. Department of Justice launched an investigation into medical insurance billing practices.