Warren Buffett’s 90/10 Investing Rule: Why VOO Belongs in Every Portfolio
Explore Warren Buffett’s timeless 90/10 investing rule from a 2013 letter, revisited in May 2026. He recommends placing 90% of cash in a low-cost S&P 500 index fund like VOO, which tracks the index at a 0.03% expense ratio and over $950 billion in assets. With first-quarter 2026 S&P 500 earnings up 28% year over year, this simple strategy avoids market timing and captures long-term U.S. economic growth.
Explore Warren Buffett’s timeless 90/10 investing rule from a 2013 letter, revisited in May 2026. He recommends placing 90% of cash in a low-cost S&P 500 index fund like VOO, which tracks the index at a 0.03% expense ratio and over $950 billion in assets. With first-quarter 2026 S&P 500 earnings up 28% year over year, this simple strategy avoids market timing and captures long-term U.S. economic growth.
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