Asian Stocks Rise After Wall Street AI Rally; Oil Extends Losses

Asian stocks closed mostly higher Tuesday, led by a 3.1% gain in South Korea's Kospi to 5,638.34, after an AI-driven rally lifted Wall Street ahead of major tech earnings and central-bank decisions. SK Hynix jumped 5.2% and Samsung Electronics rose 4.2% ahead of their earnings reports. Samsung estimated record quarterly operating profit of 107.4 trillion won, up nearly eight-fold from a year earlier, as South Korea's economy grew at a better-than-expected 3.4% annual rate in July-September. Tokyo's Nikkei 225 added 1.7% to 63,268.37. Hong Kong's Hang Seng slipped 0.6% to 23,077.56, and the Shanghai Composite fell 0.3% to 3,648.30 as traders monitored a closed-door meeting of China's Communist Party leadership. On Monday, the S&P 500 rose 0.7%, the Dow gained 0.3%, and the Nasdaq climbed 0.8%. The 10-year Treasury yield eased to 4.98%. Brent crude fell 0.5% to $110.21 a barrel, and U.S. benchmark crude dropped 1.1% to $100.66.