Stock market today: Stocks edge lower on Wall Street, ending a 3-week winning streak for the S&P 500
Stocks drifted lower on Wall Street, erasing the S&P 500's gains for the week. The S&P 500 slipped 0.4% Friday, but remains close to the record high it set last week. The Nasdaq composite fell 0.7% and the Dow slipped 0.1%. Nike…