Group 1 - The core point of the article is that the main contract for alumina has experienced a decline of 3% in intraday trading, currently priced at 2668.00 yuan [1]

Core Viewpoint - The main focus of the news is the significant increase in the price of alumina, with the continuous main contract rising by 5% to 2939.00 yuan on January 7 [1]. Group 1 - The alumina continuous main contract experienced a daily increase of 5% [1]. - The current price of alumina is reported at 2939.00 yuan [1].

Group 1 - The core point of the article is that the main contract for alumina has increased by 2% in a single day, currently priced at 2822.00 yuan [1] Group 2 - The report indicates a significant movement in the alumina market, reflecting potential trends in commodity pricing [1] - The increase in alumina prices may influence related industries, including aluminum production and other sectors reliant on alumina [1]

Group 1 - The core point of the article is that the main contract for alumina has experienced a decline of 2% in a single day, currently priced at 2732.00 yuan [1] Group 2 - The report indicates that the decline in alumina prices may reflect broader market trends or specific supply-demand dynamics within the industry [1] - The article is published by a financial news outlet, suggesting that the information is relevant for investors and stakeholders in the alumina market [1]