While it’s good investment practice to build a portfolio that comprises a mix of stocks and bonds, it’s as important to rebalance it periodically BL PREMIUM 27 July 2017 - 10:37 Robert Laing ASHBURTON INFLATION ETF Share price: R20.62JSE code: ASHINF BUY CLASSIC INVESTMENT of mixed stocks and bonds. Investors should pick a ratio, say 30% bonds and 70% stocks, and then rebalance their portfolios once a year or so.