Stocks Drop at Start of September Amid Rising Oil Prices and Treasury Yields

U.S. stocks opened the month of September lower as rising oil prices and higher Treasury yields dampened investor sentiment following military tensions between the U.S. and Iran. The Dow Jones Industrial Average, S&P 500, and Nasdaq Composite all closed down by more than half a percent after crude oil surged over 5% amid reports of U.S. strikes on Iranian targets. The rise in oil prices came as President Donald Trump signaled strong retaliation against recent Iranian attacks on U.S. bases in Jordan. Treasury yields also climbed due to inflation concerns and comments from Federal Reserve Chair Kevin Warsh, increasing the likelihood that the Fed will raise interest rates at its upcoming meeting. The 10-year Treasury yield reached a high of nearly 4.8%, impacting consumer loan rates. Major tech stocks like Apple, Tesla, and Amazon saw mixed performance amid broader declines in cybersecurity and semiconductor sectors ahead of earnings reports.

By Aaron Rennie Tue, September 1, 2026 at 1:43 PM GMT+3 17 min read · Yahoo Finance ·

Stocks Drop at Start of September Amid Rising Oil Prices and Treasury Yields

Tickers: $AAPL $AMZN $AVGO $DELL $PANW $TSLA

Topics: Federal Reserve geopolitical tensions oil prices treasury yields U.S.-Iran conflict

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