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Electric vehicle maker Tesla Inc. has emerged as the most-discussed stock on Reddit’s r/WallStreetBe

* Tesla jumps as CEO Musk says he has sold 'enough' stock. * Pfizer rises as oral COVID-19 pill wins approval. Dec 22 - Wall Street's main indexes powered higher on Wednesday in a broad rally after upbeat economic data and hopeful developments about the severity of the Omicron coronavirus variant that is sweeping the world.The S&P 500 gained at least 1% for a second straight session, putting it near record levels, as volatility has ratcheted up in the last month of 2021 following the arrival of

* Financials, materials lead declines among sectors * S&P 500 falls below 50-day moving average * Or

- 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