美股这波大跌，问题出在欧洲

Group 1: Market Overview - Recent declines in global capital markets, particularly in the US, are attributed to severe fiscal issues in the UK, reflecting broader European fiscal challenges [1] - The UK Chancellor acknowledged a significant fiscal gap requiring further tax increases, leading to a 1% drop in the GBP/USD exchange rate and a rise in UK bond yields [1][2] - European assets faced substantial sell-offs, with the fiscal deficits of the UK and France exceeding 5% of GDP, and national debts surpassing 100% of GDP for the UK, France, and Italy [1][2] Group 2: Comparative Fiscal Analysis - Fiscal deficit to GDP ratios for major economies: US at 6.7%, UK at 5.5%, Germany at 2.7%, France at 5.5%, and Italy at 3.3% [2] - National debt to GDP ratios: US at 120%, UK at 100%, Germany at 64%, France at 116%, and Italy at 136% [2] - Recent economic growth rates show the US at 3.3%, while the UK, Germany, France, and Italy lag significantly [2] Group 3: Economic Growth and Policy Implications - The US has maintained higher economic growth rates compared to European countries since the 2007 financial crisis, attributed to aggressive fiscal and monetary policies [5][10] - The US Congress and White House are promoting the "Big Beautiful Bill" (OBBBA), believing that tax cuts and fiscal subsidies will stimulate long-term economic growth [5][10] - Concerns exist regarding the sustainability of US fiscal policies, with calls for fiscal tightening amidst rising European fiscal crises [6][11] Group 4: Defense Spending and Economic Stability - European countries, including Germany and Italy, are struggling to meet NATO defense spending benchmarks, which could exacerbate their fiscal challenges [7][9] - The US has requested NATO allies to increase defense spending to 5% of GDP by 2035, highlighting the reliance of European nations on US military support [7][9] - The lack of long-term economic growth drivers in Europe, coupled with declining populations and insufficient technological advancement, poses risks to their fiscal stability [10]