Wall Street’s main indexes opened lower on Thursday after further evidence of a strong labor market spurred worries that the Federal Reserve could keep raising interest rates for longer than expected.

The Dow Jones Industrial Average (.DJI) fell 78.05 points, or 0.23%, at the open to 33,191.72.

The S&P 500 (.SPX) opened lower by 13.23 points, or 0.34%, at 3,839.74, while the Nasdaq Composite (.IXIC) dropped 68.45 points, or 0.65%, to 10,390.31 at the opening bell.