The world's leading economy banks, including the six biggest ones; JPMorgan Chase & Co, Bank of America Corp, Citigroup Inc, Wells Fargo & Co, Goldman Sachs Group Inc and Morgan Stanley, may most probably face by the near future a severe and dangerous risk that will affect and weight on their creditworthiness or even have it deteriorated as a result of the recent EU ongoing, unstable and unsolved debt crisis when it deepens further and actually spread beyond the five most-troubled nations.