NEW YORK (AP) — The Standard & Poor's 500 index rose 4.5 percent in October, and is up 23 percent for 2013. Cliffs Natural Resources came out on top in October. Its stock benefited from an improvement in the outlook for iron ore and coal. At the bottom was Teradata. The data management company cut its full-year outlook, saying its business outside the U.S. and Europe has struggled.
Cliffs Natural Resources: UP 25.27 percent
First Solar: UP 25.11 percent
Xylem: UP 23.52 percent
Teradata: DOWN 20.51 percent
Citrix Systems: DOWN 19.59 percent
Avon Products: DOWN 15.05 percent.