Group 1 - The metal zinc concept increased by 2.39%, ranking 9th among concept sectors, with 33 stocks rising, including Luoping Zinc Electric and *ST Zhengping hitting the daily limit [1] - Notable gainers in the zinc sector included Huaxi Nonferrous (up 8.21%), Huayu Mining (up 6.34%), and Zhuhai Group (up 5.36%) [1] - The sector saw a net inflow of 370 million yuan from main funds, with 23 stocks receiving net inflows, and 14 stocks exceeding 10 million yuan in net inflow [2] Group 2 - The top net inflow stock was Huayu Mining, with a net inflow of 212 million yuan, followed by Zijin Mining (146 million yuan), Hunan Gold (53 million yuan), and Luoping Zinc Electric (48 million yuan) [2] - The net inflow ratios for Luoping Zinc Electric, *ST Zhengping, and Zhihua Agriculture were 35.54%, 19.72%, and 15.13% respectively [3] - The trading volume and turnover rates for key stocks in the zinc sector were highlighted, with Luoping Zinc Electric showing a significant turnover rate of 5.38% [3][4]

Group 1 - The metal zinc concept declined by 0.02% as of the close on August 18, ranking among the top declines in the concept sector, with companies like Shengtun Mining, Zijin Mining, and Zhuhai Group experiencing significant drops [1] - Among the 15 stocks that rose, *ST Jinglan, China Nonferrous Metal, and Dazhong Mining led with increases of 5.26%, 2.30%, and 2.19% respectively [1] - The metal zinc concept saw a net outflow of 1.194 billion yuan from major funds today, with 25 stocks experiencing outflows, and 5 stocks seeing outflows exceeding 50 million yuan [2] Group 2 - The top net outflow stocks in the metal zinc concept included Zijin Mining with a net outflow of 514.97 million yuan, Shengtun Mining with 345.54 million yuan, and Hunan Silver with 103.19 million yuan [3] - Conversely, the stocks with the highest net inflows included China Nonferrous Metal, Zhongjin Lingnan, and CITIC Metal, with inflows of 48.08 million yuan, 20.43 million yuan, and 18.70 million yuan respectively [2][3] - The trading volume for Zijin Mining was 1.27%, while Shengtun Mining had a turnover rate of 7.04% [3]