Buy Palo Alto Networks Stock on This Dip -- Just Not Yet

Veteran investors know the time to step into good stocks is after an erroneous sell-off. That's why so many people are now eying Palo Alto Networks (PANW 5.33%) shares following Wednesday's post-earnings dip. The 28% tumble is a huge discount on a solid company's stock.This is one of those cases, however, where interested investors might want to keep their powder dry for at least a few more days. This plunge is different than the typical setback for most stocks. It could linger, and perhaps even worsen befo ...