Leader in cybersecurity Fortinet (FTNT.US) stock price plummeted significantly after hours, Q3 core business revenue growth rate dropped to the lowest in ten years.

According to the Securities Times app, the well-known American cybersecurity company Fortinet Inc. (FTNT.US) saw its stock price drop more than 12% after the US stock market closed on Wednesday. Prior to this, its latest earnings report showed that the revenue from the service business sector did not meet market expectations, and unexpectedly revised down the upper limit of its revenue range for fiscal year 205.