When buying investment companies, usually the risks and rewards come primarily from investing in a single asset class, and most investment companies invest in equities. However, some employ what is called a multi-asset approach, which involves making investments in a range of different asset classes in addition to equities, such as fixed income, property and alternative assets. – See more at:
http://www.theaic.co.uk/aic/news/commentary/the-smoother-ride-of-a-multi-asset-approach