Global stocks edged higher Tuesday and gold hovered near a fresh high as investors weighed the US government shutdown, political turmoil in France and the AI investment boom.

Wall Street rose at the open, a day after the S&P 500 and tech-heavy Nasdaq surged to fresh records, buoyed by a multi-billion-dollar partnership deal between ChatGPT developer OpenAI and chipmaker Advanced Micro Devices (AMD).

"Investors continue to 'follow the money' when it comes to anything to do with generative artificial intelligence," David Morrison, senior market analyst at Trade Nation, said in a note.

"This is despite fears that the whole investment thesis looks increasingly incestuous, as money gets pumped around companies within the sector," Morrison said.

AMD shares gained seven percent in early deals

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