Smart beta, or factor indices, are a valuable tool set in providing diversification to investment portfolios, but a rampant growth in the segment could diminish this as the risk of re-correlation between factors grows in tandem with the popularity of smart beta, according to panellists at the Do Factor-based indices work & do they give value discussion at SRP's fourth Annual Asia-Pacific Alternatives & Wealth Management Conference in Singapore on May 25. Matteo Andreetto (pictured) , he