The bull market that began in March 2009 is now nine years old. And in aging bull markets, it can be tough (but not impossible) to find underpriced securities. Wall Street always offers opportunity, and each of the seven best stocks to buy for 2018 offer impressive potential returns. The economic backdrop is encouraging, with steady jobs growth, business confidence, low unemployment and solid corporate earnings momentum painting a rosy picture. The following companies range between large- and small-cap, span different industries, and offer mixes of growth and value. Together, this basket of the best stocks to buy for 2018 should outperform the market.