7月10日讯，美股开盘，道指、标普500指数接近平开，纳指涨0.2%。达美航空(DAL.N)大涨11%，Q2业绩超预期，同时恢复全年业绩指引。美国航空集团(AAL.O)涨7.3%，西南航空(LUV.N)涨3.4%。台积电(TSM.N)涨0.4%，Q2销售额同比增39%。稀土生产商MP Materials涨近60%，公司获美国国防部数十亿美元合作大单。

Group 1 - Delta Air Lines (DAL.N) surged 11% after reporting Q2 earnings that exceeded expectations and reinstated full-year guidance [1] - American Airlines Group (AAL.O) rose 7.3%, while Southwest Airlines (LUV.N) increased by 3.4% [1] - TSMC (TSM.N) saw a 0.4% increase in stock price, with Q2 sales up 39% year-over-year [1] Group 2 - MP Materials, a rare earth producer, experienced a nearly 60% surge in stock price following a multi-billion dollar contract with the U.S. Department of Defense [1]