Wall Street could keep falling a long way yet. I don't know when it will stop, and I don't trust anyone who says they do know. Trying to guess when and where it will stop is a waste of your time and money.

The only reliable forecast of Wall Street's next move was made by the banker J.P. Morgan Sr, about 100 years ago. The market, he intoned gravely when asked, "will fluctuate." It's still true.

When it comes to the economy, clearly there are a lot of problems, and many banks are in trouble. Too many Americans owe too much money, and this will need to be unwound. We may, indeed, go through the biggest process of balance sheet repair in many decades.

But even after saying all that, it is far too easy to get too gloomy, too panicky, and too bearish about your investments. It's always supposed to be the end of the world when the market falls.

Here are 10 reasons to be more bullish.