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,

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

The hedge fund billionaire Bill Ackman has bet big on the iconic American brand. His firm, Pershing Square, acquired three million shares, or 0.2 percent, of Nike this spring. His stake is currently worth about $250 million.