Don't think a great stock market means we've got a great economy

The stock market is for profits, not prophets.

It's been a great 10 weeks for people who own U.S. stocks. The market rose about 45 percent in the 53 trading days from its March 23 low through Monday, adding almost 9,000 points to the Dow Jones industrial average and more than $11 trillion in value to the Wilshire 5000 Total Market Index.

This enormous…