ROC tells me nothing so I use the diff between 2 MAs, 15MA and 5MA, this is the divergence trade. Each peak has a couple of lower bar in the opposite color.
1) http://i2.tinypic.com/6fj54yf.gif
2) http://i16.tinypic.com/5zgyck6.gif
3) the most powerful due to 2 lower peaks...