What you want is a "no-load" market index fund like these.

Diversify the money across the major American, European and Asian markets to protect against regional recessions. You can do this by putting, say 50% into an S&P or Nasdaq index fund, 25% in a European index fund, and 25% into an Asian index fund.

That is, of course, if you don't want to start your own business with the money, which is a far better choice.

Jim