开盘：上证指数开盘上涨0.03%，创业板指上涨0.2%

Core Viewpoint - The stock market indices in China showed slight increases at the opening on August 27, indicating a stable market sentiment [1] Group 1: Market Performance - The Shanghai Composite Index opened up by 1.23 points, with a gain of 0.03%, reaching 3869.61 points [1] - The Shenzhen Component Index opened up by 10.02 points, with a gain of 0.08%, reaching 12483.19 points [1] - The ChiNext Index opened up by 5.37 points, with a gain of 0.2%, reaching 2747.5 points [1] - The CSI 300 Index opened up by 6.25 points, with a gain of 0.14%, reaching 4458.84 points [1]