Market Close: Munis Dig in Their Heels, Falling Slightly on Strong Economic News.

The article offers information on the opening of the municipal bond market against the stronger-than-expected economic flow and weak treasuries. It informs the yield on municipal bonds by the U.S. Treasury Department has increased due to increase in gross domestic product and decline of unemployment claims. It presents the statistics of the treasury yield for several financial firms which include Puerto Rico Sales Tax Financing Corp., Ramirez & Co., Inc., and Moody's Investor Services Corp.