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,但航空公司股价因新冠疫情取消而下跌</blockquote>
UWM Holdings jumped over 25% in premarket trading as it announced intent to accelerate buyback in Lieu<blockquote>UWM Holdings宣布有意加速回购,盘前交易中股价上涨超过25%</blockquote>