沪指本周连续上攻创近10年新高，A500ETF易方达（159361）、沪深300ETF易方达（510310）等助力布局核心资产

Market Performance - The three major A-share indices collectively strengthened this week, with the Shanghai Composite Index rising by 3.5%, surpassing 3700 and 3800 points, and reaching a nearly ten-year high. The total market turnover exceeded 2 trillion yuan for several consecutive days [1] - The CSI 300 Index increased by 4.2%, the CSI A500 Index rose by 4.3%, the ChiNext Index gained 5.9%, and the STAR Market 50 Index surged by 13.3%. The Hang Seng China Enterprises Index saw a modest increase of 0.5% [1][3] Sector Performance - In terms of sector performance, semiconductor, cloud gaming, securities, and CPO sectors experienced gains, while banking, gas, and aquaculture sectors faced adjustments [1] - The STAR Market 50 Index is characterized by a significant representation of "hard technology" leaders, with over 50% in semiconductors and nearly 75% combined in medical devices, photovoltaic equipment, and software development [4] Index Valuation Metrics - The rolling P/E ratios for the indices are as follows: CSI 300 at 13.7x, CSI A500 at 15.9x, ChiNext at 37.4x, STAR Market 50 at 153.2x, and Hang Seng China Enterprises at 10.4x [3] - The rolling P/E ratio percentiles indicate that the CSI 300 and CSI A500 indices are relatively inexpensive, with percentiles of 59.7% and 63.5% respectively, while the ChiNext and STAR Market 50 indices are at higher percentiles, indicating they are relatively more expensive [3][5]