PTN charts are broken, best bio out there 4m in the bank <a href="http://stockcharts.com/h-sc/ui?s=ptn&p=D&b=5&g=0&id=p42353008844" rel="nofollow" target="_blank">http://stockcharts.com/h-sc/ui?s=ptn&p=D&b=5&g=0&id=p42353008844</a>