How To Think About Unsustainable Returns
What a difference nine years makes. On March 9, 2009, the market capitalization of Apple, Google (now Alphabet), Amazon, and Microsoft stood at $74 billion, $92 billion, $26 billion, and $135 billion. Their combined market cap: $327 billion. Data Source for all charts/tables herein: YCharts. Nine years later these four companies would grow to become…