Apple market cap milestones

Apple market cap milestones:

Aug 2018: $1 trillion
Nov 2017: $900 billion
May 2017: $800 billion
Nov 2014: $700 billion
Apr 2012: $600 billion
Feb 2012: $500 billion
Jan 2012: $400 billion
Jan 2011: $300 billion
Mar 2010: $200 billion
May 2007: $100 billion
Dec 1980: $1 billion