2 1 Shi Ji Jing Ji Bao Dao·2025-05-21 11:12Market Overview - On May 21, the Shanghai Composite Index rose by 0.21%, the Shenzhen Component Index increased by 0.44%, and the ChiNext Index gained 0.83% [2] - A total of 53 stocks appeared on the daily trading list, with the highest net inflow of funds into Luxiao Technology (002617.SZ), amounting to 220 million yuan [2][4] Stock Performance - Luxiao Technology saw a closing price increase of 10.03% with a turnover rate of 13.85%, and it accounted for 10.48% of the total trading volume [4][6] - The stock with the highest net outflow was Chengfei Integration (002190.SZ), which experienced a net sell-off of 244 million yuan and a closing price drop of 10% with a turnover rate of 25.08% [4][6] Institutional Activity - On the same day, 27 stocks featured institutional activity, with a total net buy of 53.71 million yuan, where institutions net bought 13 stocks and net sold 14 stocks [6][12] - The stock with the highest institutional net buy was Shutaishen (300204.SZ), which closed up by 20.02% with a turnover rate of 8.01% [7][10] Northbound Capital Flow - Northbound funds participated in 9 stocks, with a total net outflow of 235 million yuan; the net buy was 34.5 million yuan from the Shanghai Stock Connect and a net sell of 269 million yuan from the Shenzhen Stock Connect [12][14] - The stock with the highest net buy from northbound funds was Hunan Development (000722.SZ), with a net buy of 24.53 million yuan, representing 1.84% of the total trading volume [12][14] Divergence in Institutional and Northbound Fund Activity - Notably, both institutions and northbound funds net sold Jingji Zhino (京基智农), while there was a divergence in the activity for San Sheng Guo Jian (三生国健) and Guo Xuan Gao Ke (国轩高科) [14][15] - Institutions net sold San Sheng Guo Jian by 48.37 million yuan, while northbound funds net bought 17.52 million yuan; for Guo Xuan Gao Ke, institutions net bought 25.42 million yuan, contrasting with a net sell of 249 million yuan from northbound funds [14][15]