Anthropic files to go public in one of the most hotly anticipated IPOs of all-time, but it's not without controversy as the Claude-maker warn of an 'existential threat to humanity.' Elsewhere, Novartis narrowly misses net sales estimates but ups its guidance thanks to strong demand for its key cancer and multiple sclerosis drugs. And HSBC shares are under pressure despite a sharp jump in quarterly profit, as a slowdown in its wealth management arm disappoints investors.

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US stock futures try to claw back from last week's tech rout as traders eye a big week of central bank action. Elsewhere, Lula da Silva pulls off a dramatic comeback in Brazil -- winning a historic fourth term and defeating his far-right challenger, Flávio Bolsonaro, who refuses to concede. And President Trump reveals Audi is building a 4-billion dollar plant in the US - as it cuts thousands of jobs in Germany.

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The tech sell-off deepens, with Meta's 7 percent slide fueling fresh fears over spending, and sending the Nasdaq for its worst day since June. That's led to a major flight to safety, as investors pour back into bonds. And Kering's turnaround faces another test after third-quarter sales at flagship Gucci take a hit - sending U.S. listed shares down 12%.

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