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This economic theory suggests that market prices already reflect all available information, making it nearly impossible to consistently "beat" the market.

This doesn't mean markets are perfect or that every stock is priced correctly. But it does mean that instead of trying to outsmart everyone else, you can focus on a simpler, long-term approach.

Embrace the power of diversification through index funds, which essentially capture the overall market return. This allows you to worry less about short-term volatility and focus on building a retirement plan that aligns with your individual goals and risk tolerance.