Group 1 - The core viewpoint of the article highlights a general increase in Hong Kong's non-ferrous metal stocks, driven by expectations of a potential interest rate cut by the Federal Reserve [1] - Notable stock performances include Jiangxi Copper Co., China Hongqiao, which rose over 4%, and China Aluminum, which increased nearly 3% [1] - The unexpected decline in the U.S. Producer Price Index in August marks the first drop in four months, reinforcing the rationale for a Federal Reserve rate cut [1] Group 2 - Analysts suggest that the growing expectations for a U.S. interest rate cut serve as a strong bullish signal for the non-ferrous metal sector [1] - The article indicates that the anticipated rate cut is expected to enhance the appeal of gold, a non-yielding precious metal, during early Asian trading [1] - Specific stock price movements include China Hongqiao at 25.260 with a 4.38% increase, Jiangxi Copper at 25.380 with a 4.10% rise, and China Aluminum at 7.060 with a 2.77% gain [1]