Group 1 - The aluminum sector in Hong Kong stocks has shown strong performance, with China Hongqiao rising by 6.5% to reach a historical high, and China Aluminum increasing by approximately 5% [1][2] - Citigroup remains optimistic about the aluminum industry, predicting that aluminum supply will remain tight due to China's production capacity limit policy (annual capacity of 45.2 million tons) and the lack of explosive capacity increases in Indonesia, which will help maintain high aluminum margins in the long term [2] - Citigroup expects China Hongqiao to continue benefiting from sustained high aluminum margins and has raised its target price for the stock from HKD 25.2 to HKD 36, maintaining a "Buy" rating and designating it as a preferred stock [2]