北方导航跌停，2机构现身龙虎榜

Group 1 - The stock of Beifang Navigation (600435) experienced a limit down today, with a turnover rate of 5.73% and a trading volume of 1.327 billion yuan, showing a fluctuation of 11.78% [1] - Institutional investors net sold 44.5264 million yuan, while the Shanghai Stock Connect saw a net purchase of 18.2048 million yuan [1] - The stock was listed on the Shanghai Stock Exchange due to a daily decline deviation of -8.84%, with significant net selling from institutional specialized seats [1] Group 2 - As of September 2, the margin trading balance for the stock was 912 million yuan, with a financing balance of 902 million yuan and a securities lending balance of 9.2257 million yuan [2] - In the past five days, the financing balance increased by 48.035 million yuan, a rise of 5.62%, while the securities lending balance decreased by 1.3821 million yuan, a drop of 13.03% [2] - The company reported a revenue of 1.703 billion yuan for the first half of the year, a year-on-year increase of 481.19%, and a net profit of 116 million yuan, up 256.59% year-on-year [2]