Another stock that is worth watching for a breakout is AuthenTec ( AUTH), a provider of security, identity management and touch control technologies for personal computer, wireless device and information technology markets. This stock is trending hot in 2011, with shares up over 60%. If you take a look at the chart for AuthenTec, you'll notice that this stock has been uptrending strong for the past couple of months after buyers stepped in big to support it near $2.15 to $2.33 a share. This stock has been making higher highs and higher lows as it has trended from $2.15 to its current price of around $4 a share, which is bullish. This bullish action now sets up AUTH for a big breakout and volume is tracking in very strong. Four recent upside volume days have registered north of 700,000 shares, which is well above its three-month average volume of 257,000 shares. >>5 Under-$10 Stocks With Big Upside Potential Market players should now watch for this stock to trade and close above some major overhead resistance at around $4.16 a share with strong volume. A high-volume move above that level will push this stock into breakout territory and will trigger a new 52-week high. The next overhead resistance levels after that don't really come into play until $6 a share and higher. One could be a buyer of this stock off any weakness and simply use a mental stop near $3.50 a share and anticipate the breakout. Or you could buy off strength and get long once you see a big volume move over $4.16 trigger. Simply use a mental stop a few percentage points below $4.16 if you get long once the breakout hits.