Benchmark indexes rose in Japan and Australia, pushing the MSCI Asia Pacific Index up by 0.3%. That was after the S&P 500 Index jumped 1.6%, its biggest gain in three months, and the tech-heavy Nasdaq 100 climbed 0.9%. South Korea was the outlier, with the Kospi Index dropping 2.7%, reflecting investor concerns over the future of data-center development and losses in US chip stocks.