Group 1 - The core viewpoint of the news is that the China Shipbuilding sector has seen a significant increase, with a rise of 5.23%, making it the top-performing sector on the trading day [1][2] - Within the China Shipbuilding sector, 11 stocks experienced gains, with China Shipbuilding Han Guang hitting a 20% limit up, followed by China Shipbuilding Emergency and Kunshan Intelligent, which rose by 12.17% and 8.61% respectively [1][2] - The sector attracted a net inflow of 426 million yuan from main funds, with nine stocks receiving net inflows, and seven stocks seeing inflows exceeding 10 million yuan [2][3] Group 2 - The top three stocks in terms of net fund inflow rates were China Shipbuilding Han Guang at 17.02%, China Shipbuilding Technology at 8.74%, and China Marine Defense at 7.66% [3] - The trading volume and turnover rates for the leading stocks were notable, with China Shipbuilding Han Guang showing a turnover rate of 22.03% and a net fund flow of approximately 229.99 million yuan [3][4] - Other stocks in the sector, such as China Shipbuilding Emergency and Kunshan Intelligent, also demonstrated strong performance with respective net fund inflows of 63.09 million yuan and 14.99 million yuan [3][4]