FIRMACO(SH:600967) Jin Rong Jie·2025-07-01 14:28Group 1 - The A-share market's three major indices closed mixed, with the Shanghai 580 Index rising by 0.66% to 1576.65 points, with a trading volume of 130.273 billion yuan [1] - The Shanghai 580 Index has increased by 5.09% in the past month, 3.83% in the past three months, and 11.18% year-to-date [1] - The index consists of 580 securities selected from the Shanghai Stock Exchange, focusing on smaller market capitalization and better liquidity, with a base date of December 28, 2018, set at 1000.0 points [1] Group 2 - The top ten weighted stocks in the Shanghai 580 Index include Inner Mongolia First Machinery (0.58%), Founder Technology (0.54%), Huachuang Yuxin (0.54%), Yifang Bio (0.5%), Xiangdian Co. (0.47%), Yunsai Zhili (0.45%), SIRUIPU (0.44%), Hongda Co. (0.44%), Dongmu Co. (0.44%), and Guangsheng Nonferrous (0.43%) [1] - The index's sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, with a maximum sample adjustment ratio of 20% [2] - The industry composition of the index includes 27.75% in industrials, 19.84% in information technology, 11.56% in materials, 10.60% in healthcare, 8.63% in consumer discretionary, 6.60% in communication services, 5.00% in consumer staples, 3.90% in utilities, 3.63% in financials, 1.46% in real estate, and 1.05% in energy [2]