Making an investment mistake during retirement can be much more stressful than when you’re young and have time to correct it. One bad move could derail a carefully-crafted plan. Changing from an aggressive investment strategy when you’re saving for retirement to a more risk-averse strategy once you’re retired can be tricky, and this is where those bad moves can be made. In your golden years, your top priority isn’t expanding your nest egg, but protecting it and withdrawing from it in a sustainable way. K ...