E-commerce giant Amazon.com (NASDAQ: AMZN) has just hit a momentous milestone: Its market cap just surpassed Alphabet's (NASDAQ: GOOG) (NASDAQ: GOOGL) for the first time ever. At the close, Amazon's market cap was about $5 billion greater than Alphabet's. In doing so, Amazon is now the second-most-valuable company in the world behind Apple.AMZN Market Cap data by YCharts.Continue reading