Trump-Xi Summit in Focus After Positive US-China Talks

US and Chinese officials offered upbeat assessments of their talks on artificial intelligence, trade and investment, signaling a mutual desire to steady ties ahead of this week's summit between leaders Donald Trump and Xi Jinping. Oil dropped for a fourth day, with Brent set for the longest run of declines since June, as traders tracked diplomatic efforts to end the US-Iran war and signs cargoes are still getting through the Strait of Hormuz.