Money Market Fund – This is a form of mutual fund that has been established by legislation and exists for investors in low risk securities. Such funds are typically very appealing to those who want funds of the small risks nature. This is in contrast to those mutual funds that offer dividends with a much higher rate of return. And this reflects their nature for short term interest rates. Among the places such mutual funds are invested will include things such as commercial paper, certificates of deposit, government securities and also any other highly fluid securities with low risk.