These are solid businesses that will help you build wealth and sleep well at night.Over the past 50 years, the S&P 500 has historically delivered a total annualized average return that hovers around 10%. That return also approximates the average company's earnings growth over the long term. It follows then that if you want to beat the broader market's return, you should focus on stocks that are fairly priced and have above-average earnings growth prospects.Investing in growth stocks is the easiest way to be ...