S&P announces that Cloud Peak Energy (CLD) will replace Tekelec (TKLC) in the S&P...

|About: Cloud Peak Energy, Inc. (CLD)|By:, SA News Editor

S&P announces that Cloud Peak Energy (CLD) will replace Tekelec (TKLC) in the S&P SmallCap 600 Index after the close of trading on Jan. 26. Shares of CLD +2.1% premarket.