China's headlong growth has not only caused acute shortages of metals like copper and nickel (which is used, among other things, to make stainless steel and even types of glass).
Johnson Controls is also increasing its production capacity of advanced battery types like Absorbent Glass Mat that power start-stop vehicles and Li-ion that power hybrid and electric vehicles.
There will be walls similar to Glass-Steagall between various types of financial businesses and you will choose which one you want to operate in, and you will sell the others.