Yesterday, the index rose and fell in the afternoon, the stock index gained and lost 3100 points, and the concept of digital economy was active across the board. According to the data of the dragon and tiger list, institutional seats appear in the buying seats of many "demon stocks". On Monday, Xiangtou holdings, the second largest shareholder of Hunan Development Group Co.Ltd(000722) popular infrastructure stock, threw out a large reduction plan. Affected by this, Hunan Development Group Co.Ltd(000722) closed two limit sectors in a row. Previously, the company harvested 11 daily limit boards in 14 trading days.