Enphase Energy (ENPH 3.80%) has dropped like a rock over the last year as solar installations in the U.S. have stalled. In this video, Travis Hoium goes over why the next step may be falling margins as installers put pressure on suppliers. 

*Stock prices used were end-of-day prices of Sept. 12, 2023. The video was published on Sept. 13, 2023.