Here are five stocks whose charts you should watch.

Exelon (EXC) is forming a textbook ascending triangle pattern -- it's a buy above $36. A breakout signal for OGE Energy (OGE) happens when shares crack resistance up at $36. Pattern Energy (PEGI)  looks "bottomy" -- a reversal becomes the high-probability trade once shares hit $20.

California Water Services (CWT) , a water utility, has been in an uptrend for more than a year now. It's still a "buy the dips stock" in 2017. American Electric Power (AEP) is showing traders a textbook inverse head and shoulders pattern. Buy it above $64.

This article was written by a staff member of TheStreet.

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