亿晶光电龙虎榜数据（9月18日）

Group 1 - The stock of Yichin Optoelectronics (600537) increased by 3.21% with a turnover rate of 33.07% and a trading volume of 1.736 billion yuan, showing a fluctuation of 8.27% [2] - The stock was listed on the Shanghai Stock Exchange's daily trading information due to its turnover rate, with a net selling amount of 9.6054 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction of 292 million yuan, with a buying amount of 141 million yuan and a selling amount of 151 million yuan, resulting in a net selling of 9.6054 million yuan [2] Group 2 - The largest buying brokerage was CITIC Securities Shanghai Branch, with a buying amount of 40.4059 million yuan, while the largest selling brokerage was Kaiyuan Securities Xi'an Branch, with a selling amount of 35.3375 million yuan [2] - Over the past six months, the stock has been listed on the trading board 12 times, with an average price increase of 1.54% the day after being listed and an average increase of 4.35% in the following five days [2] - The stock experienced a net outflow of 70.2 million yuan in main funds today, with a significant outflow of 30.4523 million yuan from large orders [2] Group 3 - The company's semi-annual report released on August 26 showed that it achieved an operating income of 1.181 billion yuan in the first half of the year, a year-on-year decrease of 46.05%, and a net profit of -153 million yuan [2]