    | Sentence 1: Shares of the company , the second-largest U.S.  [coal producer behind Peabody Energy Corp. BTULN , were up  [more than 3 percent in afternoon trade .    | Sentence 2: Shares of the company , the second-largest U.S.    coal producer behind Peabody Energy Corp.( BTU), were up  more than 3 percent at midday .    “Se  «