Auctions are a strong force in today's business economy. Sellers get quick turnaround for their merchandise at the fair market value, while buyers can find unique items and bid at prices they can afford.

You can make this race your ultimate personal challenge or take a more laid-back approach.

There is a real sense of foreboding about the economy now that Katrina has struck with full force. This storm will be the most devastating ever for the U.S. oil and refining industries.

Sales of seemingly small items such as binoculars and bird seed are becoming a major force in the nation's economy as people take a greater interest in watching wildlife.

You typically see a rebound in the labor force when the economy starts to recover. But because businesses are operating so much more efficiently, there's a limit to the number of jobs available. Unemployment could still go up a few ticks.

THEY AREN'T PATIENT. Hyundai has become a force in the U.S. to the point where they are forcing both the Japanese and U.S. companies to respond to them.