7月31日电，纽约期铜大跌8%，报5.17美元/磅。

Core Viewpoint - The New York copper futures experienced a significant decline of 8%, settling at $5.17 per pound [1] Group 1 - The drop in copper prices indicates a potential shift in market dynamics, which could impact related industries such as construction and manufacturing [1] - The decline may reflect broader economic concerns, including demand fluctuations and supply chain issues affecting the copper market [1]