Probe has already pushed above its 50 day moving average line. Now on the weekly MACD chart on the main graph page, the shorter term average has pushed above the slower one. From past positive penetrations it has proved an early alert system for higher continuing prices, this is just history.

http://stockcharts.com/h-sc/ui?s=prb.v (go to the weekly chart to see the recent MACD push)

Go Probe!