While it's never a good idea to sell a stock just because its price went up, there are plenty of valid reasons to hit the sell button -- even if you love the business. In this video, Fool.com contributor Jon Quast explains why he just sold Axon Enterprise (AXON 0.49%) and United Rentals (URI 1.07%) despite both being excellent businesses.

*Stock prices used were the morning prices of Aug. 20, 2024. The video was published on Aug. 21, 2024.