Better Vantage by Vanguard
Better Vantage by Vanguard
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The Costliest Mistakes Even Experienced Investors Make
23 minutes Posted Jul 21, 2026 at 6:24 pm.
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Most investing advice focuses on what to do. Barry Ritholtz, co-founder and CIO of Ritholtz Wealth Management and author of How Not to Invest, argues the more important question is what to stop doing. In the first of a two-part conversation, he unpacks the behavioral mistakes that quietly erode long-term returns—and why a little humility might be the most powerful edge an investor can have.


All investing is subject to risk, including the possible loss of the money you invest. Diversification does not ensure a profit or protect against a loss.


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