Which asset classes build a strong portfolio?

To build a strong portfolio, do not get swayed by any one asset class. Experts recommend diversification. While asset allocation is the way to go, the question remains: What is the best combination? Every investor has his/her own asset allocation. Heres a start. In this weeks TrendMap, ET Wealth compares seven asset combinations. The portfolios with gold have delivered a notable return boost in recent years, while those with zero gold exposure have persistently lagged.