US stock market, Sept. 23 -- Wall Street is turning its attention to the upcoming meeting between US President Donald Trump and Chinese President Xi Jinping, with investors watching for signs of a thaw in relations between the world's two largest economies. The talks come at a crucial juncture, with trade, artificial intelligence, rare earths and Taiwan expected to feature prominently on the agenda.

Xi's visit to Washington, beginning 23 September, marks his first US state visit in a decade. The summit is also significant for financial markets because the current US-China tariff truce is due to expire on 10 November. Investors will therefore be looking for any indication that the agreement could be extended, particularly as both countrie...