
Group 1 - The metal cobalt sector increased by 2.36%, ranking third among concept sectors, with 33 stocks rising, including Huahong Technology which hit the daily limit, and Dadi Bear, Tengyuan Cobalt, and Huayou Cobalt showing significant gains of 11.76%, 7.90%, and 4.82% respectively [1][2] - The sector saw a net inflow of 739 million yuan from main funds, with 22 stocks receiving net inflows, and five stocks exceeding 50 million yuan in net inflow, led by Zijin Mining with a net inflow of 285 million yuan [2][3] - Huahong Technology, China Baoan, and ST Shengtun had the highest net inflow ratios, at 19.65%, 14.43%, and 14.08% respectively [3][4] Group 2 - The top stocks in the metal cobalt sector by net inflow included Zijin Mining, Luoyang Molybdenum, Huahong Technology, and Xiamen Tungsten, with net inflows of 285 million yuan, 131.69 million yuan, 91.62 million yuan, and 82.02 million yuan respectively [2][3] - The trading performance of key stocks showed significant fluctuations, with Dadi Bear achieving a daily increase of 11.76% and a turnover rate of 16.46%, while ST HZ and Xingye Silver Tin experienced declines of 0.47% and 0.18% respectively [1][6]