What trading strategy should I use?

Go stare at the movements of a real time intraday chart for the next 6 months-5 years.

 

The trend is your friend. If a stock is trending up/down, don't fight the tape, you will get burned more times then not. If a stock is in a range, play the range.

 

Monkey beats half of all humans using a simply trading method. Link:

http://www.elitetrader.com/vb/showthread.php?s=&postid=2215951#post2215951