Group 1 - The stock of Gaisi Food (920826) increased by 3.67% with a turnover rate of 23.88% and a trading volume of 213 million yuan, showing a volatility of 10.63% [1] - The stock was listed on the daily trading board due to its turnover rate, with a net sell of 12.01 million yuan from brokerage seats [2] - In the last six months, the stock has appeared on the trading board six times, with an average price drop of 3.00% the day after and an average decline of 6.97% over the following five days [3] Group 2 - The top five brokerage firms involved in trading on this day had a total transaction amount of 53.03 million yuan, with buying amounting to 20.51 million yuan and selling amounting to 32.52 million yuan, resulting in a net sell of 12.01 million yuan [2] - The largest buying brokerage was Guosen Securities with a purchase amount of 4.78 million yuan, while the largest selling brokerage was CITIC Securities with a selling amount of 8.74 million yuan [3]