Investors Met With Slowing Returns on Capital At Delta Air Lines (NYSE:DAL)

If we want to find a stock that could multiply over the long term, what are the underlying trends we should look for? In a perfect world, we’d like to see a company investing more capital into its business and ideally the returns earned from that capital are also increasing. Put simply, these types of businesses are compounding machines, meaning they are continually reinvesting their earnings at ever-higher rates of return. However, after briefly looking over the numbers, we don’t think…