If you own shares of DeVry (NYSE:ATGE)The Fresh Market (UNKNOWN:TFM.DL), or Sears Holdings (OTC:SHLDQ), prepare yourself for a wild week. That's because all three of these stocks are both (1) reporting earnings in the week to come, and (2) heavily shorted.

When these two variables combine, volatility is almost always the result. If you don't believe me, check out the three stocks I highlighted last month, which moved an average of 22% following their respective earnings releases.

But I don't think you should try to turn a quick buck from this knowledge. That's because there's no telling if these stocks will head higher or lower. Instead, I encourage current shareholders in these three companies to prepare for the week ahead by checking out the following slideshow and finding out what to look for.