Megan Higgins, manager at Adviser Investments, has the market analysis for Friday, September 7. Major U.S. stockA financial instrument giving the holder a proportion of the ownership and earnings of a company. indexes declined today, with the Dow Jones Industrial Average and NASDAQ each down 0.3% and the S&P 500 falling 0.2%. This was partly the result of trade- and tariff-related discussions, and the tech sector—in particular—saw the strongest losses. Tesla dropped 6% following CEO Elon Musk’s controversial appearance on “The Joe Rogan Experience” podcast.