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* Sprint, T Mobile jump after winning approval for deal
* Under Armour slumps after surprise sales drop forecast
* Fed Chair Powell begins two-day testimony before Congress
* Indexes up: Dow 0.29%, S&P 0.43%, Nasdaq 0.46% (Updates to open)
By Medha Singh
Feb 11 (Reuters) – The S&P 500 and the Nasdaq indexes hit record highs on Tuesday as a top Chinese health adviser sparked expectations that the coronavirus outbreak may be peaking, while T-Mobile shares jumped after a federal judge approved its purchase of Sprint.
T-Mobile US climbed 11.2% to the top of the benchmark S&P 500, while Sprint shares surged 73.8%. Larger rival Verizon Communications Inc slipped 0.5%, weighing on the communication services sector. AT&T Inc rose 1.1%.
After more than 1,000 deaths and weeks of uncertainty that roiled global financial markets, China’s foremost medical adviser on the epidemic said infections may be over by April, with the number of new cases already declining in some places.
However, the hit to the world’s second-largest economy was still unclear as factories struggled to resume production after an extended holiday.
“For the time-being, investors are willing to say ‘we are going to invest in what we know’ and what we know right now is that the U.S. economy is in pretty good shape, earnings have been better than expected and the Fed continues to have our back,” said Art Hogan, chief market strategist at National Securities in New York.
Federal Reserve Chair Jerome Powell was fairly upbeat about the outlook for the U.S. economy in his prepared remarks to Congress on Tuesday, but cited a potential threat from the coronavirus outbreak.
The communication services sector was the only major S&P sector in