Stock rally faces major test as China virus spreads

stocks US NYSE

NEW YORK: The latest rally in U.S. stocks is facing a serious test, as the S&P 500 heads toward its worst loss in months on concerns over how the coronavirus will impact the global economy.

So far, the selling has been measured, with most investors confident the U.S. economy remains in good shape and the Federal Reserve stands ready to provide stimulus if the situation deteriorates.