Dow, S&P 500, and Nasdaq futures are falling in premarket trading. An Nvidia-led rally fades as the stock market react to President Donald Trump threating a 50% tariff on goods from Brazil.

As chief executive of Elon Musk's X, Linda Yaccarino navigated two turbulent years of charm offensives and legal threats to stabilize a bruised business-just in time for Musk's merger of X with xAI.

As chief executive of Elon Musk's X, Linda Yaccarino navigated two turbulent years of charm offensives and legal threats to stabilize a bruised business-just in time for Musk's merger of X with xAI.

Nvidia crossed the $4 trillion market capitalization threshold Wednesday, an amount of money that is comparable to the GDP of some of the largest countries in the world.

The Dow, the S&P 500, and the Nasdaq Composite were rising as Nvidia hits record $4 trillion market cap and President Donald Trump sends more trade letters.

Dow Jones futures rose slightly early Wednesday, along with S&P 500 futures and Nasdaq futures. Trump tariff letters and ...