NEW YORK ( TheStreet) - Humana ( HUM) and NYSE Euronext ( NYX) were among the worst-performing stocks in the S&P 500 on Monday. The S&P 500 dropped 5.45 points, or 0.39%, on Monday to close at 1,397.91. The decline broke a four-day winning streak for the index, which finished April down 0.8%.
Shares of Humana fell 8.1% on Monday at $80.68. The health care company reported first-quarter earnings of $248 million, or $1.49 a share, down from year-earlier earnings of $315 million, or $1.86 a share. Analysts anticipated earnings of $1.52 a share. Humana also raised its full-year 2012 outlook to earnings of $7.55 to $7.75 a share from a prior range of $7.50 to $7.70 a share. Analysts are currently expecting earnings of $7.99 a share. Humana shares trade at a forward price-to-earnings ratio of 9.04X; the average for health care providers is 17.17X. For comparison, WellPoint ( WLP) has a lower forward P/E of 7.94X. Thirteen of the 21 analysts who cover Humana rate it at buy; eight analysts give the stock a hold rating. The stock has now fallen 7.91% year to date.