Zheng Quan Shi Bao Wang·2025-05-20 08:44Group 1 - The cultivated diamond concept rose by 4.10%, leading the sector in gains, with 16 stocks increasing in value, including Mankalon which hit a 20% limit up [1] - Notable gainers in the cultivated diamond sector included Huifeng Diamond, Sifangda, and Guojijingong, which rose by 8.49%, 5.89%, and 4.81% respectively [1] - The sector saw a net inflow of 308 million yuan from main funds, with 11 stocks receiving net inflows, and 6 stocks exceeding 10 million yuan in net inflow [1] Group 2 - The top stocks by net inflow ratio included Boyun New Materials, Yuyuan Shares, and Mankalon, with net inflow ratios of 31.23%, 19.87%, and 13.43% respectively [2] - The cultivated diamond sector's inflow leaderboard highlighted Boyun New Materials with a 10.01% increase and a turnover rate of 11.02%, followed by Mankalon with a 20.00% increase and a turnover rate of 12.47% [2] - Other notable stocks included Chaohongji with a 10.05% increase and a turnover rate of 6.30%, and Yuyuan Shares with a 2.32% increase and a turnover rate of 0.61% [2]