Ultimately, whether or not to invest in a fund like the Vanguard 500 depends largely on your investment objectives. If you're a week away from retirement or already have considerable stock holdings, you'll want to stay away. That said, if you're looking for a hands-off fund that's well positioned for mid- to long-term gains in 2011, the Vanguard 500 fund may be worth looking at. To see the fund's top holdings, have a look at the Vanguard 500 Index Fund portfolio on Stockpickr. -- Written by Jonas Elmerraji in Baltimore.