This analysis reviews the revenue growth and valuation metrics of e-commerce companies, focusing on Amazon, Alibaba, MercadoLibre, and Shopify. Amazon and Sea Limited (not fully detailed but implied to be undervalued) show positive financial performance. Amazon is presented as undervalued based on DCF calculations, with a fair value of $266.79 against a market price of $239.12. Alibaba is considered fairly valued with a market price of $165.40 compared to an intrinsic value of $162.97. Shopify, however, appears expensive with a market price of $155.81 and an intrinsic value of $83.85, attributed to its asset-light business model and potential geopolitical risks in China, leading to a lower growth rate compared to its peers.