Ryan Paterson, research analyst at Thesis Asset Management, has said the widely-held belief that diversification is the key to successful investing has too often been taken to extremes by active managers.
Paterson argued managers who increase the number of holdings in their portfolios beyond 30 stocks in the name of diversification produce a "negligible" benefit from a risk-reduction perspective. "While...
Left in January
Transparency issues with no-fee structures
Would cause damage to other emerging markets
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