Falling fee income, tough regulations, and shareholder pressure could make diversified banks spin-off their retail banking units, argues Edge Consulting COO Ryan Mendy Regulators worried about the size and complexity of banks that are too big to fail might get a market solution to their problems, at least according to The Edge Consulting Group, which expects diversified banks to start spinning off their commercial banking divisions in the next few years as the best way to increase shareholder value. Diversified banks already ‘Parmesan shaving’ The Edge Consulting Group COO Ryan Mendy points to the flows out of active management into…