S&P 500 opens at record after holidays, but airline shares slide following Covid cancellations<blockquote>标普500假期后开盘创历史新高,但新冠疫情取消后航空公司股价下滑</blockquote>
UWM Holdings jumped over 25% in premarket trading as it announced intent to accelerate buyback in Lieu<blockquote>UWM Holdings 宣布有意加快回购,盘前交易中股价上涨超过 25%</blockquote>