Japan's Nikkei hits 1990 high on weak yen, US optimism; SoftBank surges
SoftBank Group jumped more than 8% as shares of Japanese chip-related companies continued to outperform amid the AI euphoria that also propelled Wall Street peers. The Nikkei surged as high as 31,560.43 within the first 10 minutes of trading, although gains were capped over the course of the day as the index closed up 1.03% at 31,233.54.