Commandment No. 8: Don't Fear That You'll Miss Anything

Editor's note: Jim Cramer's new book, Real Money: Sane Investing in an Insane World, is available in selected bookstores now. As a special bonus to RealMoney readers, we will be running Cramer's "Ten Commandments of Trading." For more about the new book and to order it, click here. To learn his "Twenty-Five Rules of Investing," click here. Today, we present Cramer's eighth commandment. Read more about his trading commandments:

1. Keep It a Trade
2. First Loss Is Best
3. Take Your Losses
4. Trading Gains, Not Investment Losses
5. Tips Are for Waiters
6. No Sale? No Profit
7. Control Your Losses

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We always fear that we will miss the next move. We fear that unless we act now, something is going to happen that is going to injure our finances permanently if we don't make a trade. ...