The stock has outperformed the broader market since its 2013 IPO, and can still do so over the long run.Strong dividend payers can be a stabilizing force in a well-diversified portfolio. That's because corporations that can consistently pay and raise their payouts over a long period are often relatively low-risk, well-established companies with robust underlying operations.Often, but not always. Some will stop dividend hikes or even suspend their programs altogether when trouble arises.So, dividend seekers ...