By Dan Weil They have broad diversification, very reasonable fees and small, effective tweaks of the indexes they follow. With the stock market rotating from growth to value in recent months, you may be thinking of joining the party. The Russell 1000 Value index of predominantly large-cap stocks has eased 1.1% over the past six months, compared to a 10% drop for the Russell 1000 Growth index. Those numbers may dissuade you from buying any stocks. But if you do want to consider large-cap value stocks — large-cap is generally the safest size — here is a list of four exchange-traded funds that …