科创创业50ETF（159783）涨超1%，机构称A股整体估值水平仍在合理区间

Group 1 - A-shares indices collectively rose in the afternoon of August 21, with significant movements in sectors such as liquid cooling servers, copper-clad laminates, circuit boards, and optical communications [1] - The recent surge in trading volume, exceeding 2.8 trillion yuan on August 18, indicates potential short-term volatility, although the overall valuation remains reasonable [1] - The China International Capital Corporation (CICC) highlighted that the current market performance is driven by capital inflow, earnings support, and a decrease in external risks, suggesting a favorable environment for small-cap and growth styles [2] Group 2 - The CICC recommends focusing on sectors with strong performance since June, particularly in AI/computing, innovative pharmaceuticals, and non-ferrous metals, which are expected to benefit from industry upgrades [2] - The brokerage and insurance sectors are anticipated to show high earnings elasticity due to increased retail investor participation [2] - The "dual innovation" potential market is represented by the Science and Innovation 50 ETF (159783), which tracks the top 50 companies in the Science and Innovation Board and the Growth Enterprise Market, providing a way for investors to access core assets in these sectors [2]