Diversification in the investment world is not limited to spreading your bets across asset classes and stocks but Sebi's investigation against Quant Mutual Fund in a front-running case is also a reminder of concentration risk in owning mutual funds from just one asset management company. We have seen returns of Axis Mutual Fund getting affected for some time after the front-running case it was embroiled in and now we have Quant's example. Investors whose portfolios have only Quant Mutual Fund schemes are now worried.