Group 1 - The core viewpoint of the articles indicates a decline in non-ferrous metal stocks, with significant drops in companies such as Xiyeg股份 (over 4%), Northern Rare Earth, and Xiamen Tungsten (over 3%) [1] - Industrial non-ferrous related ETFs have also experienced a decline, with an overall drop exceeding 2% [1] - Despite short-term market fluctuations, brokerages suggest that the long-term outlook for cyclical resource sectors, including industrial non-ferrous metals, remains promising due to industrial structural optimization and sustained demand growth [2] Group 2 - Performance trend models indicate that the current valuation of the industrial non-ferrous sector is reasonable, with potential for a rebound in the future [2] - Investors are advised to focus on the potential performance of these sectors within the supply chain and to seize investment opportunities arising from significant price declines [2]