Zheng Quan Shi Bao Wang·2025-06-03 10:41Group 1 - The cultivated diamond concept rose by 3.11%, ranking 8th among concept sectors, with 16 stocks increasing in value, including Mankalon which hit a 20% limit up [1][2] - The leading gainers in the cultivated diamond sector included Mankalon, Chaohongji, and Sifangda, with respective increases of 20%, 10.02%, and 5.94% [1][2] - The sector saw a net inflow of 147 million yuan from main funds, with Mankalon receiving the highest net inflow of 75.06 million yuan [2][3] Group 2 - The main fund inflow ratios for Mankalon, Chaohongji, and China Gold were 6.96%, 5.36%, and 4.72% respectively, indicating strong investor interest [3][4] - The cultivated diamond sector's performance was contrasted with declining sectors such as special steel and medical waste treatment, which saw negative changes of -0.93% and -0.51% respectively [2][4] - Stocks like *ST Yazhen and Jing Sheng Electric experienced notable declines of -1.78% and -0.15%, highlighting the volatility within the market [1][4]