000630，直线拉升

Group 1 - The copper sector experienced a rapid rebound in the afternoon, with Tongling Nonferrous Metals (000630) surging over 6% at one point, and the latest stock price reported at 7.76 yuan per share, with a trading volume exceeding 9.4 billion yuan [1] - Yunnan Copper and Jiangxi Copper both rose over 4%, while Northern Copper increased by more than 2% [1] Group 2 - At a press conference held by the China Nonferrous Metals Industry Association on February 3, the Deputy Secretary-General Duan Shaofu stated the need to improve the copper resource reserve system, which includes expanding the national copper strategic reserve and exploring a commercial reserve mechanism [3] - The association suggested that, in addition to refining copper reserves, it may also be beneficial to consider including copper concentrates, which have high trade volumes and are easily liquidated, into the reserve scope [3]