Group 1 - The core viewpoint of the news is that the China Shipbuilding Industry concept has shown a positive performance, with a 1.25% increase, ranking 8th among concept sectors on June 13 [1][2] - Within the China Shipbuilding Industry sector, notable stocks include China Ship Emergency, Jiuzhiyang, and China Ship Defense, which rose by 5.09%, 3.14%, and 1.74% respectively [1][2] - The sector attracted a net inflow of 0.66 billion yuan from main funds, with eight stocks experiencing net inflows, and five stocks seeing inflows exceeding 10 million yuan [2][3] Group 2 - The leading stocks in terms of net inflow ratio include Jiuzhiyang, China Ship Han Guang, and China Ship Emergency, with net inflow ratios of 12.18%, 11.29%, and 6.35% respectively [3] - The top three stocks by main fund inflow are China Ship Emergency (38.24 million yuan), Jiuzhiyang (19.87 million yuan), and China Ship Han Guang (13.26 million yuan) [3][4] - Other stocks in the sector, such as China Ship Technology and China Ship Defense, also reported positive performance with net inflows of 12.56 million yuan and 6.83 million yuan respectively [3][4]