When investors 'short' a stock, they're betting its price will go down, much to the chagrin of 'longs,' who want it to go up. When a short seller is wrong, he has to cover his position before he loses his shirt. This week's Inside the Numbers shows investors how to help the shorts lose their shirts -- and get rich in the process.

This highly prized commodity could see significant price appreciation in the coming weeks.    

Just when it seemed that this industry was beginning to rebound, this stock has gone into reverse. But not all is lost, here's how to profit from its demise.

The year 2009 ended with the S&P 500 at a crucial technical juncture. The positive trading action of the first day of 2010 did much to resolve the uncertainty.

This company's products help people trim bulging waistlines, but if you're a trader the stock can help you gain oversized profits.

Analysts expect this firm to turn in a solid performance next year. As for right now, the charts are signaling "buy."

The Santa Clause Rally. Buy when it snows and sell when it goes. 'tis the season for seasonal plays, and this trade has a perfect record of late.

Last year, you could find junk bonds with 20%-plus yields. Locating a double-digit yielding REIT wasn't a problem back in March, either. The yields on these income investments have since dropped. But there is still one investment out there that has your double-digit income needs covered.

Last week, I recommended an IPO. The shares were priced at $13.50 and, once they hit the market, immediately shot past the $23 mark. Now that the shares are up +74%, I have new advice for investors who bought these shares...

Are you nervous the next market correction is just around the corner? If you bought one of these unique funds, you wouldn't have lost a wink of sleep. They didn't lose any ground during the last downturn and are entering what could be one of their most profitable periods -- ever.