When a company beats top-line and bottom-line estimates, raises full-year guidance, and posts record operating margins, investors typically respond favorably.
For Fortinet, Inc. (NASDAQ: FTNT), reality played out quite differently following its third-quarter 2026 earnings release. Shares traded roughly 26% lower the next morning, wiping out much of a year-to-date run that had previously doubled Fortinet's equity value.