A good option for you could be an industry-specific index fund. Liquidity: All Treasury securities are very liquid, but if you sell prior to maturity you may experience gains or losses, depending on the interest rate environment. The fund is based on the largest American companies, meaning it is comprised of many of the most successful companies in the world. So if you want to increase the size of your nest egg, you need to look at other types of investments that offer a better return. Check and Debit Card Use. Liquidity: Bond fund shares are highly liquid, but their values fluctuate depending on the interest rate environment. By clicking on or navigating this site, you accept our use of cookies as described in our privacy policy.