    Isentence 1: The Fed afterglow lingered well into  Wednesday and enhanced demand for the second  jinstallment of a massive U.S. Treasury refunding -- $18  billion in five-year notes .    |Sentence 2: In the second installment of a three-legged ,  record ¢ 58 billion refunding , the U.S. Treasury is slated  to sell $ 18 billion in five-year notes on Wednesday .