The MACD is calculated by simply subtracting a 26-period exponential moving average (EMA) of the closing prices from a 12-period EMA. The signal line is a nine-period exponential moving average of the MACD.

FORBES: Demystifying the MACD

Another popular tool used by many traders is the 20-day exponential moving average (EMA).

FORBES: How to Properly "Buy the Dips"

Downward trending stochastics above 72 suggest the stock is currently overbought, and the stock is threatening to break below the 10-day exponential moving average which it used as support throughout September.

FORBES: Cosmetics Stocks Will Make Your Eyeliner Run

The stock used the 20-day exponential moving average (EMA) as support on August 16 and 19, but is threatening to close beneath the EMA, and down trending stochastics near 70 indicate an overbought position.

FORBES: Pizza Chains Melting Down

Corrections Corp is currently priced close to the 10-day exponential moving average (EMA), and upward trending stochastics near 47, in addition to a relative strength index of 40, suggest the stock may be consolidating for a run higher.

FORBES: Profiting From Prisons