Donnelley Financial Solutions has seen its share price climb over multiple time frames, which naturally raises the question of whether that move squares with the returns the business earns on its capital. For an investor trying to weigh the next step, the issue is less about the recent share chart and more about whether the company’s return profile supports today’s valuation. Over the past 5 years the stock has delivered a 44.9% total return, which puts the spotlight on whether those gains…