No one asset outperforms others consistently over time. In the past one year, equity mutual funds and government securities gave higher returns than other assets. Over 10 years, it's gold that beats all other asset classes. For consistent long-term gains, put your eggs in several baskets.
Of course, returns is only one of the three criteria to look for before investing--safety and liquidity are the other two. Government securities, the safest investment option, matched returns from ..