Warren Buffett’s 90/10 rule, allocating 90% to S&P 500 index funds, was tailored for his wife’s long-term horizon, not his own, as he hoards cash. Benjamin Graham’s 25% to 75% stock/bond allocation is more flexible, adjusting to market conditions. Investors misinterpret the 90/10 rule, risking sequence of returns issues. For retirees needing immediate funds, this strategy may not be ideal. Buffett’s 2013 advice may not apply today due to market changes. Conservative investors may want to adjust allocations, following Graham’s model instead. Current market trends suggest a shift towards bonds may be prudent. Buffett’s recent actions don’t align with the 90/10 rule, indicating a need for individualized strategies based on risk tolerance and life stage.

Read more at Yahoo Finance: Why Most Retirees Are Doing It Wrong