The cybersecurity leader's valuations are getting too hot to handle.Palo Alto Networks (PANW 0.36%) posted its latest earnings report on Aug. 19. For the fourth quarter of fiscal 2024, which ended on July 31, the cybersecurity leader's revenue rose 12% year over year to $2.19 billion and topped analysts' estimates by $40 million. Its adjusted earnings per share (EPS) grew 5% to $1.51 and beat the consensus forecast by $0.10.Palo Alto's stock surged higher after that earnings beat and now trades just a few d ...