Stock Market Today: The Dow Jones reverses lower Tuesday even as Walmart hits a milestone. AES breaks out as two others reach new highs.

Thanks to the AI boom, Nvidia is currently the most valuable company in the world and was the first to reach a market cap of $4 trillion. In September 2025, Nvidia announced plans to invest $100 ...

Wall Street is faltering as it heads into the end of holiday shortened but rollercoaster week defined by Trump's moves on ...