Is Frontier Group Stock a Buy, Sell, or Hold for September 2025?

One of the more impressive market movers last week is a company I really don't focus on too much. The ultra-low-cost carrier Frontier Airlines (ULCC), with a stock ticker to match its underlying business model (ultra-low-cost carrier), made a massive 15% move higher on Tuesday. For the week, shares of ULCC stock ended around 10% higher, so this move was mostly sustained and suggests the key catalyst driving this move remains a focal point for investors. Let's dive into the key catalyst that investors are ...