Zheng Quan Shi Bao Wang·2025-07-28 10:56Core Insights - On July 28, the Shanghai Composite Index rose by 0.12%, with institutional investors appearing on the trading lists of 30 stocks, net buying 17 and net selling 13 [1][3] - The total net buying amount by institutional seats was 12.61 million yuan, with significant participation from the Shenzhen-Hong Kong Stock Connect in 24 stocks [1][7] Institutional Trading Summary - The stock with the highest net buying from institutional seats was Shenzhen South Circuit, which closed at the daily limit with a trading volume of 3.23 billion yuan and a turnover rate of 3.46%. The net buying amounted to 229.78 million yuan [2][5] - Other notable stocks included Ashi Chuang, which rose by 9.18% with a turnover rate of 42.80% and a net buying of 84.84 million yuan, and Copper Crown Copper Foil, which also closed at the daily limit with a net buying of 59.26 million yuan [2][5] Market Performance - The average increase of stocks with institutional net buying was 3.79%, outperforming the Shanghai Composite Index. Stocks like Copper Crown Copper Foil and Dazhu CNC showed strong performance, closing at the daily limit [3] - A backtest of stocks with institutional net buying over the past month revealed a 44.85% probability of rising the next day and a 36.40% probability of rising within three days [3] Earnings Forecasts - Among the stocks with institutional net buying, six had released half-year earnings forecasts, with two expecting profit increases. The highest projected net profit increase was for Mankun Technology, with a median expected profit of 65 million yuan, representing a year-on-year increase of 66.81% [3] Net Selling Summary - The stock with the highest net selling was Shenghong Technology, which saw a net selling of 233.56 million yuan despite a daily increase of 17.51%. The stock had significant net inflows from the Shenzhen-Hong Kong Stock Connect [3][6]