The retirement savings business in the U.S. is dominated by a group of companies that handle record-keeping and management of investments in tax-advantaged vehicles like 401(k) plans and individual retirement accounts. The group includes Fidelity Investments, JPMorgan Chase & Co. (JPM), Charles Schwab Corp. (SCHW) and T. Rowe Price Group Inc. (TROW) Americans held $19.4 trillion in retirement assets as of Sept. 30, 2012, according to the Investment Company Institute, an industry association; about $3.5 trillion of that was in 401(k) plans.

The Securities and Exchange Commission and the Department of Labor are the main regulators of U.S. retirement savings vehicles and funds. However, the consumer bureau -- established by the 2010 Dodd-Frank Act -- sees itself as a potential catalyst for promoting a coherent policy across the government, the people said.

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