The SEC is expected to vote on new rules for money-market funds Wednesday. Increase in liquidity requirements Most money market funds invest exclusively in cash or government securities. Some, known as "prime" money market funds, also invest in commercial paper. All are subject to liquidity requirements (some assets have to be readily convertible to cash), including levels of daily and weekly liquidity requirements. The Securities Industry and Financial Markets Association (SIFMA), an industry trade group, wrote to the SEC, expressing "substantial concerns" about the liquidity requirements.

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Persons: Jon, Luc Dupuy, SIFMA, Kenneth Bentsen, Brad Sherman, Sherman, Dupuy, redemptions Organizations: SEC, Federal, Bloomberg, CNBC, Asset Management, Investment Funds, Securities Industry, Financial Markets Association