科创板收盘播报：科创综指涨0.36% 软件服务股涨幅靠前

Core Points - The ChiNext 50 Index and the ChiNext Composite Index opened lower on February 27, with declines of 1.20% and 1.06% respectively, but later showed a rebound, closing with gains of 0.15% and 0.36% [1] - On the same day, 327 stocks in the ChiNext board rose, accounting for approximately 54.14% of the total, with notable gains in software service stocks such as Puyuan Information and Yuntian Lifefly, which hit the daily limit [1] - The total trading volume for the ChiNext board was approximately 2,591.83 billion yuan, with an average turnover rate of 3.04% [2] Trading Performance - The ChiNext 50 Index accumulated a rise of 1.20% and the ChiNext Composite Index rose by 2.24% over the week from February 24 to 27 [2] - The stock with the highest trading volume was Cambrian, with a total of 14.32 billion yuan, while Hanbang Technology had the lowest at 775.64 million yuan [3] - The stock with the highest turnover rate was Electric Science Blue Sky at 37.74%, while Haohai Biological had the lowest at 0.15% [4] Individual Stock Highlights - Puyuan Information, Yuntian Lifefly, and World achieved the highest gains, while Shengmei Shanghai saw a significant decline of 8.11% [2]