海外策略周报：本周美股震荡加剧，韩国市场调整较多

Market Overview - Global markets experienced increased volatility this week, with notable fluctuations in the US stock market and significant adjustments in the South Korean market[1] - The Dow Jones Industrial Average rose by 2.5%, while the S&P 500 and Nasdaq indices fell by 0.1% and 1.84%, respectively[2][11] US Market Insights - The TAMAMA Technology Index's P/E ratio is currently at 34.02, close to the 35 threshold, indicating potential for further adjustments in tech stocks[1] - The Philadelphia Semiconductor Index's P/E ratio decreased to 43.78, remaining in a high valuation range[1] - The S&P 500 Shiller P/E ratio stands at 40.38, consistently above 40, suggesting overvaluation concerns in the market[1] European and Asian Markets - European markets showed a rebound, but indices like France's CAC40 and Germany's DAX are still under pressure due to high P/B ratios[1] - The Nikkei 225 index has a P/B ratio of 2.46, indicating high valuation levels amidst tightening liquidity in Japan[1] Hong Kong Market Performance - The Hang Seng Index and related indices experienced declines of 3.02% and 3.07%, respectively, with significant volatility in the materials sector[2][23] - The Hang Seng Technology Index saw a notable drop of 6.51%, influenced by the pullback of major tech stocks like Tencent[23] Economic Data and Risks - Eurozone PPI showed a year-on-year decline of -2.1%, lower than the previous -1.4%[35] - Risks include potential surprises in US Federal Reserve monetary policy, slower-than-expected economic growth, and escalating geopolitical tensions[43]