After a promising start, U.S. stocks gave up an early rally Thursday after Republicans delayed a vote on their health care bill and left investors concerned about delays for the business-friendly agenda of President Donald Trump.
The Standard & Poor's 500 index dipped 2.49 points, or 0.1 percent, to 2,345.96.
The Dow Jones industrial average edged down 4.72 points to 20,656.58.
The Nasdaq composite sank 3.95 points, or 0.1 percent, to 5,817.69.
The Russell 2000 index of small-company stocks rose 7.83 points, or 0.6 percent, to 1,353.43.
For the week:
The S&P 500 is down 32.29 points, or 1.4 percent.
The Dow is down 258.04 points, or 1.2 percent.
The Nasdaq is down 83.30 points, or 1.4 percent.
The Russell 2000 is down 38.10 points, or 2.7 percent.
For the year:
The S&P 500 is up 107.13 points, or 4.8 percent.
The Dow is up 893.98 points, or 4.5 percent.
The Nasdaq is up 434.58 points, or 8.1 percent.
The Russell 2000 is down 3.70 points, or 0.3 percent.