市场消息：美国对一些钢铁进口的反倾销调查发现该产业受到损害。美国正在调查一些从越南和其他国家进口的钢材。

Group 1 - The core point of the article indicates that the U.S. has found that its steel industry is being harmed by certain steel imports, leading to an anti-dumping investigation [1] - The investigation specifically targets steel imports from Vietnam and other countries [1]