The Alt-A Lenders I thought would be the levee which held back the erosion of the sub-prime meltdown. Mortgage stocks sold off Monday July 30th 07, afterAmerican Home Mortgage(NYS:AHM) failed to make a dividend payment. The news sent down shares of other primarily Alt-A lenders, such as IndyMac dropped 5%, Impac Mortgage fell 12%. Countrywide Financial(NYS:CFC) the largest independent mortgage l