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Tesla ( TSLA) was the worst-performing stock in the S&P 500 as CEO Elon Musk jumped back into the political fray, announcing a new political party and continuing to spar with President Trump on social media.

US stock market today took a dip as President Trump announced fresh tariff threats, shaking investor confidence. The Dow, S&P 500, and Nasdaq all closed lower on Monday, with Tesla stock sliding amid political uncertainty.

Wall Street is coming off a holiday-shortened week during which the S&P 500 and Nasdaq Composite posted fresh all-time highs.

US stocks dip as tariff deadline shifts to Aug 1. Traders eye S&P500 forecast, trade news, and earnings season to assess US indices momentum.

Markets are seeking clarity on President Trump's tariffs, with the president targeting Aug. 1 for new country-specific tariffs.

Uncertainty surrounding U.S. trade tariff policies are keeping investors cautious, whilst Tesla (NASDAQ: TSLA)

A mixed day of trading left the U.S. stock market split, as Wall Street’s momentum slowed after setting record highs in each of the last two days

Stocks on Wall Street fell sharply on Monday, led by losses across major indices, including the Dow Jones Industrial Average, S&P 500, and Nasdaq. The S&P 500 shed 0.8%, its worst single-day drop since mid-June, while the Dow and Nasdaq both declined 0.9%. Despite the setback, all three indices remained close to their recent record highs.

Senate Majority Leader John Thune noted earlier he believes Republicans reached a deal to pass the package following days of negotiations. Also in focus, Fed Chair Jerome Powell told a panel at the European Central Bank’s (ECB) Forum that the U.S. would have cut interest rates already if tariffs hadn't come into play.