日股跳水，日经225指数跌2%，软银一度跌近9%

Market Overview - Japanese and Korean stock markets opened lower, with the Nikkei 225 index falling below 50,000 points and a decline of 2% [1] - Hitachi Zosen led the decline with an 18.4% drop, followed by Ajinomoto with over a 16% decrease, and SoftBank Group nearly down 9% [1][2] Stock Performance - Notable stock declines include: - Hitachi Zosen: 936.0 JPY, down 211.0 JPY (-18.40%) - Ajinomoto: 3624.0 JPY, down 699.0 JPY (-16.17%) - SoftBank Group: 21250.0 JPY, down 2050.0 JPY (-8.80%) [2] - The KOSPI index in South Korea initially dropped 1.4% but later turned positive [2] US Market Concerns - US tech stocks experienced a collective decline, with notable drops including: - Nvidia's market value evaporating by $173.3 billion - AMD down over 7%, Microsoft on a seven-day losing streak, and Tesla and Qualcomm down over 3% [3] - Concerns are rising about a potential bubble burst, with Michael Burry indicating a strategy to short the AI bubble due to excessive spending and low returns [3] Global Market Outlook - Goldman Sachs and Morgan Stanley predict a potential 10% to 20% correction in global (US) stock markets due to tech stock bubbles over the next 1-2 years, while expressing optimism for the Chinese market, particularly in AI, electric vehicles, and biotechnology [4] - Concerns about panic selling are highlighted, with high-valuation sectors likely to be the first affected [4]