Philip Morris International is a "sin stock" that certain investors avoid. But it's really delivering the goods for those willing to own it.For years, Philip Morris International (PM +0.63%) has been a reliably well-performing investment for investors willing to buy in a "sin stock." Although global consumption of traditional cigarettes continues its long, downward spiral, the company has done well developing and selling next-generation alternatives like its Iqos heated tobacco product and the Zyn nicotine ...