Nouriel Roubini has warned the eurozone faces a 'depression' if policymakers do not relax tough austerity measures.

Now, who would have thought it? After being regarded as second rate citizens by many hedge funds leading up to and after the crunch, retail investors now hold the main remaining key to accessing some of the world's most sought-after managers.

The world's wealthy believe they can more than triple their wealth within 10 years, requiring compound annual returns just over 12%, according to research.