If you compare this log vs. arithmetic chart, in log the trendline is intact (high in Feb 12), in the arithmetic the trendline is broken.
Is this a problem? Do you look at log or arithmetic charts?
Log chart
http://stockcharts.com/h-sc/ui?s=PWE&p=W&b=5&g=0&id=p18028505251
Regular chart
http://stockcharts.com/h-sc/ui?s=PWE&p=W&b=5&g=0&id=p99666956888
Is this a problem? Do you look at log or arithmetic charts?
Log chart
http://stockcharts.com/h-sc/ui?s=PWE&p=W&b=5&g=0&id=p18028505251
Regular chart
http://stockcharts.com/h-sc/ui?s=PWE&p=W&b=5&g=0&id=p99666956888