Coca-Cola (NYSE: KO), Cisco (Nasdaq: CSCO), and McDonald's (NYSE: MCD) have produced stellar long-term returns. In this installment of "Fool Video," Motley Fool analyst Tim Hanson talks about the three keys to investing and explains why investors may want to consider stock in Legg Mason (NYSE: LM) and Diamond Hill (Nasdaq: DHIL).

For more Fool fare: