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- 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

* $Apple$, Amazon fall on dismal holiday-quarter forecast. * $Microsoft$ tops Apple as the most valuable U.S. public company. The S&P 500 had fallen as much as 0.65% earlier in the day. The benchmark index advanced 1.3% for the week, its fourth straight weekly climb, marking its longest weekly streak of gains since April. For the month, the S&P rose 6.9%, its biggest monthly rise since November 2020.The Dow rose 0.4% for the week while the Nasdaq gained 2.7%, also marking four straight weekly ga