Shares of SciClone Pharmaceuticals ( SCLN) were among the best-performing health-related stocks Wednesday, surging 13% after the biopharmaceutical company posted a narrower-than-expected fourth-quarter loss. The company reported a loss of $1.6 million, or 4 cents a share, on total sales of $7.4 million. Analysts polled by Thomson First Call expected a bigger loss of 7 cents a share, with sales of $7.3 million. Results included some $90,000 in contract sales, while the company's lead product, Zadaxin, accounted for $7.3 million in sales during the quarter. During the year-earlier period, the company reported a loss of $2.4 million, or 5 cents a share, on sales of $6.1 million. Looking ahead, SciClone sees a 2006 loss of $6.1 million, or 13 cents a share, on sales of about $32 million. Including stock-based compensation costs, the company sees a loss of $8.9 million, or 19 cents a share. Two analysts project a loss of 42 cents a share on sales of $30.4 million. Shares were trading up 31 cents to $2.66. Medco Health ( MHS) rose 6% after the pharmacy-benefit manager reported better-than-expected fourth-quarter results. The company earned $176.8 million, or 57 cents a share, on revenue of $10.8 billion. Excluding items, the company earned 66 cents a share. Analysts expected earnings of 61 cents a share on revenue of $10.03 billion. During the year-earlier period, the company earned $132.8 million, or 48 cents a share, on revenue of $8.91 billion. Excluding items, the company earned 58 cents a share during the year-earlier quarter. Medco also lifted the low end of its previous 2006 earnings guidance. The company now sees 2006 earnings of $2.23 to $2.30 a share. Previously, the company forecast earnings of $2.18 to $2.30 a share. Excluding items, the company sees earnings of $2.57 to $2.64 a share. Analysts project earnings of $2.60 a share. Shares recently changed hands at $58.99, up $3.27.