That's part of GLBA. Can't remember the exact cite, but you could change your holding company charter to a FS holding company and go buy an insurance company or investment company without prior regulatory approval. If you did that then all of your affilates' ratings in S&S, Compliance and CRA would affect future expansion for all.
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"Once you learn to read, you will be forever free."
- Frederick Douglass
My Opinion Only.