The company's performance has been more consistent than the stock price.Coupang (CPNG 3.88%) is a growing e-commerce company capitalizing on a significant opportunity to expand across Asia. It's headquartered in Seattle but dominates the South Korean market and has an expanding operation in Taiwan.The stock was trading at an expensive valuation following its 2021 initial public offering. This explains why the shares have declined by 45% over the past five years, underperforming the S&P 500's 74% gain over t ...