沪指站上4100点，两市成交额再次突破3万亿，A500ETF易方达(159361)助力布局核心资产

Core Viewpoint - The A-share market experienced a significant rally, with the Shanghai Composite Index breaking through 4100 points, marking a 16-day consecutive rise, and total trading volume exceeding 3.1 trillion yuan, a notable increase from the previous trading day [1]. Market Performance - Major A-share indices all closed with "full-body bullish candles" this week: - Shanghai Shenzhen 300 Index rose by 2.8% - CSI A500 Index increased by 4.2% - ChiNext Index gained 3.9% - Shanghai Stock Exchange Sci-Tech Innovation Board 50 Index surged by 9.8% [1][3] - In contrast, the Hong Kong market showed mixed performance, with the Hang Seng China Enterprises Index declining by 1.3% [1]. Sector Performance - Leading sectors in the A-share market included brain-computer interfaces, commercial aerospace, storage chips, and semiconductors, which saw significant gains [1]. - Conversely, sectors such as Hainan, banking, and airport shipping experienced adjustments [1]. Index Details - The Shanghai Shenzhen 300 Index consists of 300 large-cap stocks with good liquidity, covering 11 first-level industries [4]. - The CSI A500 Index includes 500 securities from various industries, covering 89 out of 93 third-level industries [4]. - The ChiNext Index is composed of 100 large-cap stocks from the ChiNext board, with a high proportion in strategic emerging industries [4]. - The Shanghai Stock Exchange Sci-Tech Innovation Board 50 Index features 50 stocks with significant liquidity, prominently in "hard technology" sectors like semiconductors [4]. - The Hang Seng China Enterprises Index includes 50 large-cap stocks from mainland China listed in Hong Kong, covering a wide range of industries [4]. Valuation Metrics - As of January 9, 2026, the rolling price-to-earnings (P/E) ratios for major indices are as follows: - Shanghai Shenzhen 300 Index: 14.3 times - CSI A500 Index: 17.3 times - ChiNext Index: 42.2 times - Shanghai Stock Exchange Sci-Tech Innovation Board 50 Index: 173.1 times - Hang Seng China Enterprises Index: 10.5 times [3][5].