市场午后震荡回升，A500ETF易方达(159361)、沪深300ETF易方达(510310)助力一键布局核心资产

Market Overview - The A-share market experienced a rebound in the afternoon on January 22, with all three major indices turning positive. The total trading volume exceeded 2.7 trillion yuan, an increase of nearly 100 billion yuan compared to the previous day, with over 3,500 stocks rising across the market [1]. - Key sectors that saw significant gains included oil and gas extraction and services, military equipment, photovoltaic equipment, commercial aerospace, building materials, coal mining and processing, steel, and glyphosate [1]. - Conversely, sectors such as insurance, photolithography machines, precious metals, batteries, semiconductors, and innovative pharmaceuticals underperformed [1]. Index Performance - The CSI A500 Index rose by 0.1% [4]. - The CSI 300 Index increased by 0.01% [1]. - The ChiNext Index saw a rise of 1.0% [1]. - The STAR Market 50 Index increased by 0.4% [1]. - The Hang Seng China Enterprises Index declined by 0.1% [4]. Sector Composition - The ChiNext Index consists of 100 stocks with high market capitalization and liquidity, with a significant proportion from strategic emerging industries, particularly power equipment, communications, and electronics, which together account for nearly 60% [4]. - The STAR Market 50 Index is composed of 50 stocks from the STAR Market, with a strong focus on "hard technology," where semiconductors represent over 65%, and combined with medical devices and software development, they account for nearly 80% [4]. - The Hang Seng China Enterprises Index includes 50 large-cap, actively traded stocks from mainland Chinese companies listed in Hong Kong, covering a wide range of industries, with consumer discretionary, information technology, finance, and energy sectors making up nearly 85% [4].