急跌超15%后，有色止跌反弹再度大涨2.7%！

Group 1 - The core viewpoint of the article highlights a rebound in the non-ferrous metals sector after a significant decline, with the China Securities Nonferrous Metals Index dropping over 15% in just seven trading days since January 29 [1] - The recent performance of the popular ETF tracking the index, Huabao Nonferrous ETF (159876), shows a notable increase of 2.73% [1] - China Galaxy Securities suggests capitalizing on the "AI leap + century change" resonance, indicating a super cycle in non-ferrous metals driven by the "AI technology revolution" and "global order reshaping" [1] Group 2 - Historical analysis indicates that each super copper cycle corresponds with a strong macro narrative, and the current cycle is expected to have a strategic significance comparable to post-war reconstruction and China's opening up [1] - Industry experts note that commodity cycles are typically long, lasting 25 to 30 years, with upward trends lasting 8 to 10 years and downward trends lasting 15 to 20 years, suggesting a prolonged bullish phase for non-ferrous metals [1] - The Huabao Nonferrous ETF (159876) and its linked fund (017140) cover a wide range of sectors including copper, aluminum, gold, rare earths, and lithium, allowing for better exposure to the entire sector's beta performance [1]