超3500只个股上涨，A500ETF易方达（159361）、沪深300ETF易方达（510310）助力布局A股核心资产

Market Performance - On January 19, A-shares showed mixed performance with the Shanghai Composite Index performing strongly while the ChiNext Index experienced a pullback [1] - The total market turnover exceeded 2.7 trillion yuan, with over 3,500 stocks rising [1] - The CSI A500 Index increased by 0.3%, the CSI 300 Index rose by 0.1%, while the ChiNext Index fell by 0.7% and the STAR Market 50 Index declined by 0.5% [1] Sector Performance - The top-performing sectors included precious metals, electric grid equipment, chemical industry, tourism and hotels, aviation engines, airport shipping, and paper manufacturing [1] - Conversely, sectors that saw declines included cultural media, AI mobile phones, computing power leasing, brain-computer interfaces, banking, and weight loss drugs [1] Index Composition - The ChiNext Index consists of 100 stocks with high market capitalization and liquidity, with a significant proportion in strategic emerging industries, particularly in electric equipment, communication, and electronics, which together account for nearly 60% [3] - The STAR Market 50 Index is composed of 50 stocks from the STAR Market with high market capitalization and liquidity, prominently featuring "hard technology" leaders, with semiconductors making up over 65% and combined with medical devices and software development accounting for nearly 80% [3]