市场走势分化，A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品助力布局核心资产

Market Overview - A-shares experienced fluctuations in the morning session, with a slight decline before noon. The CRO, PET copper foil, and semiconductor sectors saw gains, while glyphosate and insurance sectors adjusted [1] - As of the noon close, the CSI A500 index rose by 0.03%, the CSI 300 index fell by 0.1%, the ChiNext index increased by 0.9%, and the STAR Market 50 index rose by 0.8%. The Hang Seng China Enterprises Index decreased by 1.2% [1] Index Performance - The CSI 300 index, which tracks 300 large-cap stocks from the Shanghai and Shenzhen markets, showed a decline of 0.1% as of noon [2] - The CSI A500 index, covering 500 liquid stocks across various industries, remained unchanged at 0.0% [2] - The ChiNext index, consisting of 100 large-cap and liquid stocks, increased by 0.9% [2] - The STAR Market 50 index, which includes 50 large-cap stocks with significant technology characteristics, rose by 0.8% [2] - The Hang Seng China Enterprises Index, which tracks 50 large-cap stocks listed in Hong Kong, fell by 1.2% [2] Sector Analysis - The semiconductor sector is highlighted for its significant representation in the STAR Market, accounting for over 60% of the index [2] - The ChiNext index has a high concentration in strategic emerging industries, particularly in the fields of power equipment, pharmaceuticals, and electronics, which collectively account for over 55% [2] - The Hang Seng index covers a wide range of industries, with consumer discretionary, financials, information technology, and energy sectors making up over 85% of the index [2]