Dow closes at record high above 40,000 to cinch a five-week winning streak

The Dow Jones Industrial Average closed Friday above the key 40,000 level for the first time in history, a day after hitting that benchmark in the previous trading session. The S&P 500 inched up 6.17 points, or 0.12%, to 5,303.27, while Nasdaq Composite ended down 12.35 points, or 0.07%, at 16,685.97. Chubb and Valero Energy , respectively up more than 3% and 4%, were the biggest gainers in the S&P 500. The S&P 500 and Nasdaq climbed 1.5% and 2.1% week to date, cinching their longest winning streak since February. On Thursday, the Dow reached an intraday high of 40,051.05, above the psychologically important 40,000 level, before pulling back to end the day down 0.1%.