Why Being Right Can Make You a Worse Investor

Morningstar · Allan Roth, CPA · 2026-10-29 10:00 UTC

Even being right about the economy, markets, or world events can lead to costly investing mistakes. Learn why diversification, low-cost index investing, and discipline often beat market predictions and stock picking.

Being right about the economy, markets, or a stock doesn’t guarantee better returns. Often, the market already knows what you know.

This article mentions funds that have an issuer-initiated rating and/or track a Morningstar Index. For full disclosure information, please refer to the specific funds, which are demarcated with a * symbol, listed below.

Investing involves risk. That’s a disclaimer we’ve seen a thousand times, and it happens to be true. Pick the wrong investment, and you can lose a lot of your nest egg, and that alone is reason to diversify.

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