Nvidia(US:NVDA) Xin Lang Cai Jing·2026-01-19 03:41Group 1 - Nvidia has corrected its technical paper regarding copper demand in data centers, adjusting the copper busbar usage for a traditional 1 GW data center from 500,000 tons to 200 tons, indicating a significant downward revision in copper demand expectations [1] - The previous estimate of 500,000 tons per GW was identified as a substantial error, and the current revision only accounts for busbar copper usage, excluding other components, leading to a lack of precise market estimates for copper usage per GW [1] - Recent copper price declines are attributed to liquidity and trading noise, with the actual bearish impact on market logic being limited, as the long-term narrative remains favorable for copper [1] Group 2 - The Penghua Nonferrous ETF closely tracks the National Securities Nonferrous Metals Industry Index, which includes 50 securities from the nonferrous metals sector, reflecting the overall performance of listed companies in this industry [2] - As of December 31, 2025, the top ten weighted stocks in the National Securities Nonferrous Metals Industry Index include Zijin Mining, Luoyang Molybdenum, Northern Rare Earth, and others, collectively accounting for 51.65% of the index [2]