The fund charges an annual management fee of 1.25% plus a performance fee of 20% on returns exceeding the U.S. Treasury bill rate.

FORBES: Best-Kept Secret

The rate on the 10-year Treasury Bill fell to just a little over 3% today, which is the lowest rate in five decades.

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In other words, the U.S Treasury could offer a four-week bill at a negative rate of 0.10%.

FORBES: Negative Treasury Bill Rates Are On The Way

Short-term interest rates such as the overnight bank borrowing rate and one-month and one- year Treasury bill rates are already close to zero.

FORBES: Bernanke is Bluffing

House Education Chairman John Kline's bill sets floating rates on new Stafford loans at the 10-year Treasury rate plus 2.5%, while also protecting borrowers by capping the rates at 8.5%.

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