The peso slumped yesterday down to the RD$15 to the US$1 level. Banco Nacional de Crédito (Bancrédito) was buying at RD$14.50 and selling at RD$15.10. Banco Popular was buying at RD$14.35 and selling at RD$14.95. Banco Mercantil was buying at RD$14.60 and selling at RD$14.90. Gerencial y Fiduciario was buying at RD$14.35 and selling at RD$14.85. Earlier this week, the banks were buying at an average RD$14.45 and selling at RD$14.65.