On June 3, Chalco (02600.HK) rose 3.12% in regular trading, trading at HK$11.52/share, with trading volume of HK$147 million.

On the news front, the world's largest bauxite-producing nation Guinea previously announced plans to implement export controls in June, and the policy has now entered its formal implementation window. Market estimates suggest Guinea's export quotas will compress annual exports from 183 million tons to approximately 150 million tons, a reduction of roughly 18%. Driven by this supply tightening expectation, alumina prices have surged sharply, breaking above RMB 2,800 per ton to hit a recent high. China imports approximately 70% of its bauxite, with Guinea being a critical source.

Additionally, Chalco is scheduled to be officially included in the Hang Seng Index constituent stocks on June 8, with passive fund allocation demand providing further price support. The stock had previously hit the daily limit on May 26 on dual catalysts before experiencing consecutive sessions of profit-taking. After sufficient digestion of earlier gains, the stock has resumed upward momentum ahead of the key inclusion date.

(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)