中国有色矿业(01258.HK)涨超7%，公司进一步收购哈萨克斯坦SM Minerals 55%股本，持股比例增至70%。

Core Viewpoint - China Nonferrous Mining (01258.HK) shares rose over 7% following the company's acquisition of an additional 55% stake in Kazakhstan's SM Minerals, increasing its ownership to 70% [1] Group 1 - The company has successfully increased its stake in SM Minerals from 55% to 70% [1] - The acquisition is expected to enhance the company's operational control and market presence in Kazakhstan [1] - The stock price reaction indicates positive investor sentiment towards the acquisition strategy [1]