Municipals ended unchanged yesterday ahead of this morning's report on the August producer price index as customer lists and antacids continued to make the rounds.

"I'm really nervous about tomorrow's number," said Frank Lucibella, who manages the $500 million John Hancock Tax Exempt Income Fund and the $250 million John Hancock Managed Tax Exempt Fund. With the Labor Department's figures due out at 8:3 O a.m., Lucibella said he'll be experiencing "a Maalox moment at 8:25 a.m."

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