This hot cybersecurity company's hypergrowth days could be over.Zscaler's (ZS -3.37%) stock price sank 19% on Sept. 4 after its latest earnings report came out. For the fourth quarter of fiscal 2024, which ended on July 31, the cybersecurity company's revenue rose 30% year over year to $593 million and exceeded analysts' expectations by$25 million. Its adjusted earnings per share (EPS) grew 38% to $0.88 and cleared the consensus forecast by$0.19.Those headline numbers seemed healthy, but its guidance didn ...