Stock indexes posted steep weekly losses after weaker-than-expected data reignited fears about the health of the U.S. economy. The Dow, S&P 500 and Nasdaq fell 2.9%, 4.2% and 5.8%, respectively, for the week.

Stock indexes posted steep weekly losses after weaker-than-expected data reignited fears about the health of the U.S. economy. The Dow, S&P 500 and Nasdaq fell 2.9%, 4.2% and 5.8%, respectively, for the week.