Canadian Prime Minister Justin Trudeau said his country would respond if President Donald Trump pressed ahead with his threat to impose tariffs on the US’s northern neighbour. “Canada provides many of the necessary inputs that the American economy is going to need,” he said on Tuesday morning.

Watch live as President Donald Trump announces investments worth up to $500 billion for infrastructure tied to artificial intelligence by a new partnership formed by OpenAI, Oracle and SoftBank.

President Donald Trump announced a joint venture to fund artificial intelligence infrastructure worth billions of dollars with the leaders of Softbank Group Corp., OpenAI LLC, and Oracle Corp., an effort aimed at speeding development of the emerging technology.

After Sam Altman unveiled his ambitious $500 billion "Stargate" AI infrastructure project, Elon Musk took the opportunity to throw shade at his rival

Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.

President Trump stated that without his help, the hostage deal would not have materialised, and blamed Biden for the delay in the return of hostages

US President Donald Trump on Tuesday said he likes both sides of the argument on H-1B foreign guest workers' visa, noting that he likes "very competent people" coming into the country and that he has used the programme.

Eighteen US states led by New Jersey as well as the District of Columbia and the city of San Francisco on Tuesday filed a lawsuit alleging that Trump’s order violated the constitution’s Fourteenth Amendment, which says that all “persons born or naturalised in the US . . . are citizens of the United States”.

President Donald Trump kicked off his second term with a flurry of executive actions on immigration, the economy, DEI and more.Legal challenges have already been mounted against his effort to end birthright citizenship and action that makes it easier to fire career government employees.

The tepid open for Asian markets came after the S&P 500 rose 0.6% on Wednesday, putting the index close to an all-time high.

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Oracle's shares jumped on Wednesday after U.S. President Donald Trump said the company would make a large investment in artificial intelligence infrastructure, alongside OpenAI and SoftBank. Lisa Bernhard has more. Is Meloni Europe's new 'Trump whisperer'?