Identifying and building a portfolio of uncorrelated trading strategies is the main aim of many quantitative hedge funds. Given that one would like to add a new strategy to an existing set of strategies, what is the marginal gain the can be expected over the status quo? In addition, how can one

Active asset management has been under attack during the past several months. Hedge funds have been shutting down left and right, labeled as overpriced and underperforming, and are losing capital to low cost passive mutual funds and ETFs. Active mutual funds have been losing ground as well to their