as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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is a total stock market index fund diverse enough alone?
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write off the entire asset class of corporate bonds? finance theory says yes, the only two asset classes that you need are stocks and treasury bills (very short-term us government bonds). see the capital asset pricing model (capm).
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