Stocks pared losses to end mixed with the Dow Jones Industrial Average slightly higher and the S&P 500 and Nasdaq lower. The Dow eked out another record for its sixth session in a row. Dean Foods (DF) tumbled after falling short of fourth-quarter estimates. The food company also guided for first-quarter earnings no higher than 20 cents a share, half what analysts expected. Kraft Heinz (KHC) declined after reporting an across-the-board dip in quarterly sales. Revenue in the U.S. slid just over 3%, while Canada sales dipped 2.4% and European sales fell more than 13%. Wendy's (WEN) saw a decline in both earnings and sales over its fourth quarter. The fast food chain is working to reduce company-operated stores in favor of franchises and fewer locations of the former by 5% over its recent quarter.