The shares of both companies outperformed the broader indexes over five and ten year periods, but have faltered of late.Despite relatively rich valuations, growth prospects for each stock appear strong.However, I see one of the two as having a stronger long-term growth runway.Apple Inc. and Amazon.com Inc. rank among the top five companies in the world by market cap. While the two stocks beat the market over the last five and ten years, each lags the S&P 500 in 2021. Is this an indication the