Here's Why I Just Invested All of My Retirement Cash in the Stock Market

The S&P 500 has dropped 10% or more 28 times since 1922, according to Yardeni Research. The market eventually recovered from 27 of these drops and went on to new highs. That last one is happening right now.

Yes, as of this writing, the S&P 500 is around 10% from its high, and many stocks are down far more than this. There are legitimate reasons for the sell-off. Nevertheless, I've decided to apply Motley Fool investing principles and use the rest of the cash in my retirement portfolio to buy more stocks. Here's why.

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Source Fool.com