Forget Picking One Winner: Portfolio Diversification Is the Real Edge, and the Stock Advisor Scorecard Proves It

The article argues that portfolio diversification is more important than picking individual winning stocks. It highlights how The Motley Fool Stock Advisor achieved 950% returns with a diversified 50+ stock portfolio, and demonstrates that the S&P 500 index has delivered over 400% gains since 2000 through diversification across sectors. The article recommends investors can easily achieve diversification through low-cost S&P 500 ETFs rather than individual stock picking.