日韩股市大涨，日经225飙涨5%创新高，软银涨超7%，三星电子涨超5%

Group 1 - Japanese stock markets opened high, with the Nikkei 225 index rising over 5%, reaching multiple historical highs during the session [1] - SoftBank Group's stock surged by up to 8.5%, marking its largest increase since January 28, and was up over 7% at the time of reporting [1] - The KOSPI index in South Korea increased by 3.8%, closing at 5286.6 points, with major companies like Samsung Electronics and SK Hynix rising over 5% [1] Group 2 - The ruling coalition of the Liberal Democratic Party and Japan Innovation Party secured a majority in the recent Japanese House of Representatives election [3] - Japan's Ministry of Health, Labour and Welfare reported a 1.3% year-on-year decrease in real wages for 2025, marking four consecutive years of negative growth [3] - The yield on Japan's 10-year government bonds rose by 4.5 basis points to 2.275%, with the 40-year bond yield surpassing 4%, the highest since its issuance in 2007, raising concerns about Japan's fiscal and monetary policy [3] Group 3 - The chief economist at Pictet Asset Management highlighted that the surge in bond yields is driven by increased inflation risks and sovereign risk premiums, indicating a lack of credibility in the Bank of Japan's anti-inflation measures [3] - The turmoil in Japan's bond market and potential punitive measures on U.S. fiscal deficits could trigger a return of global capital from the U.S. to other markets [4] - The economist affirmed that Japan may sell U.S. Treasuries to defend the yen, citing the need for balance sheet management and geopolitical risk diversification [4]