About the only good news for Palo Alto Networks (NYSE: PANW) shareholders of late is that its stock price is slowly inching back up to its post-earnings level of $129.86. Of course, Palo Alto shares were sitting at $148.18 on May 26, before fiscal 2016 third-quarter earnings were announced, then nosedived over 12% the following day. With a 52-week high of $200.55 a share, value investors may think Palo Alto represents an opportunity.