A quartet of key stocks led by Unitedhealth Group dragged on the DOW to start the week of the holidays.
The DOW dropped by 65 points, or 0.2%, shortly after the market opened on Tuesday. The composite S&P 500 and Nasdaq was both up 0.1%.
United Rasted 71 points from the DOW because of its $ 500 stock market course. Unlike the S&P, the DOW is a weighted index on the stock market, so companies with a high share of the shares have more traction than companies with large market capitalization but stock prices.
