The Dow Jones industrial average fell 16.75 points, or 0.2%, at 10,188.45. The Standard & Poor's 500 index fell 0.65 of a point, or 0.1%, to 1,120.63. The Nasdaq Composite Index rose 2.24 points, or 0.1%, to 1,986.74. For the week, the Dow rose 2.2%, the S&P 500 rose 2.5%, and the Nasdaq rose 3.9%.
The InformationWeek 100 rose 0.77 points, or 0.2%, to 319.16, capping a week in which it rose 4.4%. The Nasdaq-100 tracking stock rose 13 cents to $36.55, as more than 111.5 million shares changed hands.
In economic news, consumer sentiment fell unexpectedly in May, the University of Michigan said. The university's consumer-sentiment index dropped to a final reading of 90.2 for May, from 94.2 at the end of April, and in again in mid-May. Economists had expected the index to rise from those levels. Consumers expect a higher inflation rate to hurt their financial situation, according to the survey.
Separately, the Purchasing Management Association of Chicago reported a sharp increase in manufacturing activity in the area in May. The report could indicate the results of a national manufacturing-sector reading scheduled for release Tuesday by the Institute of Supply Chain Management.
See the full listing of all the companies in the InformationWeek 100 and the top 5 percentage winners and losers for the last closing at informationweek.com/stocks.