To me, the monthly chart shows a clear pattern, a volatility contraction, whatever it's called, a bull flag or something.
Monthly
http://stockcharts.com/h-sc/ui?s=PCMI&p=M&yr=5&mn=0&dy=0&id=p25017584326
The weekly, on the other hand, doesn't really make much sense.
Weekly
http://stockcharts.com/h-sc/ui?s=PCMI&p=W&yr=5&mn=0&dy=0&id=p25120995645
I don't really have a point here, other than that longer term charts can show patterns that don't show up in charts with more information. Less info and better pattern recognition.
Monthly
http://stockcharts.com/h-sc/ui?s=PCMI&p=M&yr=5&mn=0&dy=0&id=p25017584326
The weekly, on the other hand, doesn't really make much sense.
Weekly
http://stockcharts.com/h-sc/ui?s=PCMI&p=W&yr=5&mn=0&dy=0&id=p25120995645
I don't really have a point here, other than that longer term charts can show patterns that don't show up in charts with more information. Less info and better pattern recognition.