1 S&P 500 Dividend Stock Down 56% to Buy and Hold Forever

Keep winners, ditch losers. That's usually not bad advice for investors. There's one big problem, though: Sometimes long-term winners temporarily look like losers.Even the biggest and the best companies can undergo periods when things just don't go their way. One especially comes to mind for me. Here's an S&P 500 dividend stock down 56% to buy and hold forever.The main culprit behind the PfizzleI won't prolong the suspense. The stock I'm talking about is Pfizer (PFE 0.11%). And it has admittedly been a lose ...