U.S. stocks drifted around their all-time highs, as a record-setting week for Wall Street closed on a quieter note.

The Federal Reserve cut rates by half a percentage point. But the market's reaction only raised more questions. Stocks initially rallied. But by the close, major indexes were slightly lower for the day.

A record-setting week for Wall Street is closing on a quieter note Friday, and U.S. stocks are pulling back from their highs hit during a worldwide rally the day before. The S&P 500 was down 0.5% in late trading,