When it comes to investment portfolios, retirees have a much different set of objectives, risk tolerances and time horizons compared to young investors in the accumulation phase. For retirees, ensuring a reliable perpetual withdrawal rate for their income needs is paramount. Ensuring safety of principal is also key, as market corrections and bear markets can pose significant risks to retirees relying on their portfolios for living expenses. A well-diversified portfolio of high-quality stocks and bonds goes a long way to ensuring this, but there are additional tips and tricks to consider that can help you correct unwanted investment biases and behaviors. To help you make the right portfolio management and asset allocation decisions, here are 10 rules for investing after retirement, according to wealth management experts.