US Treasury Secretary Yellen believes Omicron will not derail the US economic recovery

$S&P 500 Index (.SPX.US)$ US Treasury Secretary Janet Yellen said she did not expect the Omicron variant of coronavirus to undermine the sustained economic recovery. "Yes, Omicron poses a challenge and may affect some data in the coming months," Yellen said in a speech at the U.S. mayors' meeting on Wednesday. "But I believe it will not derail one of the strongest periods of economic growth in a century." $Invesco QQQ Trust (QQQ.US)$ $Dow Jones Industrial Average (.DJI.US)$ $Nasdaq Composite Index (.IXIC.US)$ $SPDR S&P 500 ETF (SPY.US)$