Stocks were jittery on Thursday as uncertainty lingers over President Donald Trump's plans for tariffs, while tech stocks digested recent gains on the White House's artificial-intelligence ambitions.

As news trickled out about President Trump’s announcement of a new $500 billion Stargate joint venture focused on artificial-intelligence infrastructure, some potential beneficiaries emerged.

The rapid advancement of artificial intelligence (AI) is revolutionizing the software industry, creating new opportunities ...

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