Wall Street ends down after mostly negative week<blockquote>华尔街在经历了大部分负面的一周后收盘下跌</blockquote>
- Wall Street finished lower on Friday, weighed down by Big Tech as investors worried about the Omicron coronavirus variant and digested the Federal Reserve's decision to end its pandemic-era stimulus faster.All three main U.S. stock indexes ended with a decline for the week after the Fed on Wednesday signaled three quarter-percentage-point interest rate hikes by the end of 2022 to combat surging inflation.Nvidia dropped 2.1% and Alphabet lost 1.9%, both weighing on the S&P 500 and Nasdaq.The S