Here's the optimal setup for your investment portfolio as retirement nears

Here's the optimal setup for your investment portfolio as retirement nears

Andy Soloman/UCG/Universal Images Group via Getty ImagesBill Bengen advises retirees on a 65% stock, 30% bond, and 5% cash portfolio strategy.Within stocks, he says to invest across large caps, mid caps, small caps, micro caps, and international.Rebalance portfolios regularly to avoid risk and fund expenses, Bengen says.The 4% rule for retirees is easy enough to understand in theory: withdraw that much of your portfolio per year, and your money …