纽约铜期货跌幅扩大至6.5%，因美国一季度经济自2022年以来首次出现收缩，录得-0.3%，创2022年第二季度以来新低。

Group 1 - The core point of the article is that copper futures in New York have seen a significant decline of 6.5% due to the contraction of the U.S. economy in the first quarter, marking the first decline since 2022 with a recorded rate of -0.3%, which is the lowest since the second quarter of 2022 [1]