CANADA - 2025/02/24: In this photo illustration, the Five9 logo is seen displayed on a smartphone screen. (Photo Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images)SOPA Images/LightRocket via Getty ImagesI first put Five9 Inc. (FIVN) in the Danger Zone and named it a Zombie Stock in December 2022. Most recently, I reiterated my bearish opinion on the stock in August 2024, but I removed it from my Zombie Stocks List.Note that the short strategy based on my Zombie Stock List has outperform ...