Ge Long Hui A P P·2025-11-20 10:30Market Overview - On November 20, the total trading volume of the Shanghai and Shenzhen stock markets reached 1.71 trillion yuan, a decrease of 17.7 billion yuan compared to the previous trading day [1] - Sectors that saw significant gains included Hainan, lithium extraction from salt lakes, small metals, and banks, while sectors such as dairy, beauty care, photovoltaic equipment, and food processing experienced declines [1] Stock Performance - Notable stocks with significant gains included: - HeFu China (+10.00%, 26.18 yuan) [2] - Jiumuwang (+9.98%, 18.41 yuan) [2] - Aerospace Development (+9.98%, 13.78 yuan) [2] - Zhongshui Haiyu (+10.02%, 13.72 yuan) [2] - Rongji Software (+10.01%, 11.32 yuan) [2] - Stocks that faced declines included: - Duofuduo (-9.99%, 34.22 yuan) [5] - Guolian Aquatic Products (-11.52%, 4.76 yuan) [5] - Haodangjia (-6.31%, 2.82 yuan) [5] Institutional Activity - The top three net selling stocks on the day were Duofuduo, Guolian Aquatic Products, and Haodangjia, with net sales of 304 million yuan, 167 million yuan, and 119 million yuan respectively [4] - The top three net buying stocks by institutional investors included Aerospace Development, Jianglong Shipbuilding, and Sanmu Group, with net purchases of 85.35 million yuan, 60.79 million yuan, and 51.43 million yuan respectively [6] Company Developments - Beijiete announced the acquisition of a 55% stake in Dahao Mining for 225 million yuan, enhancing its mining business, particularly in antimony [10] - The company focuses on industrial wastewater treatment and lithium extraction from salt lakes, with lithium carbonate prices reaching a record high of 97,550 yuan per ton [10] - Zhongfu Circuit, specializing in high-end PCBs, reported a revenue increase of 29.8% year-on-year for the first three quarters, totaling 1.355 billion yuan [16] Trading Highlights - Aerospace Development had a trading volume of 87.63 billion yuan with a turnover rate of 42.60%, and institutional net buying of 85.35 million yuan [21] - Duofuduo experienced a trading volume of 81.18 billion yuan with a turnover rate of 20.64%, and institutional net selling of 65.18 million yuan [21] - Guolian Aquatic Products saw a decline of 11.52% with a trading volume of 25.16 billion yuan and net selling by institutional investors of 16.7 million yuan [22]