Except as otherwise expressly provided, nothing in this subchapter shall affect (1) the jurisdiction of the Commission under the Securities Act of 1933 [15 U.S.C. 77a et seq.] or the Securities Exchange Act of 1934 [15 U.S.C. 78a et seq.] over any person, security, or contract, or (2) the rights, obligations, duties, or liabilities of any person under such acts; nor shall anything in this subchapter affect the jurisdiction of any other commission, board, agency, or officer of the United States or of any State or political subdivision of any State, over any person or security, insofar as such jurisdiction does not conflict with any provision of this subchapter or any rule, regulation, or order thereunder.