Traditional market cap weighted index strategies are popular for their ability to provide broad market exposure. (libertyshares.com)
Smart beta strategies differ from traditional market cap — weighted strategies in that they attempt to modify the fund's composition in a way that reduces risk, improves return potential, or both. (mutualfunds.com)
However «smart beta» does not imply that these products will always outperform traditional market cap weighted products. (indexologyblog.com)