9月18日，阿利根尼盘中下跌5.03%，报180.11美元/股，成交额1.49亿美元。
阿利根尼所在的航天航空与国防行业中，个股涨跌分化，其中Rocket Lab USA涨6.34%，GE航空航天涨1.22%，Honeywell Aerospace涨1.03%，波音跌1.14%，洛克希德马丁跌1.28%。
阿利根尼于1996年在特拉华州注册成立，主营特殊材料生产，分为高性能材料与部件（HPMC）和先进合金与解决方案（AA&S）两大业务部门，产品涵盖镍基合金、钛合金及锆、铪、铌等特种合金材料。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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