The Dow Jones Industrial Average (DJI) had its best month in 1997 in July 1997, returning 6.9%.

The Dow Jones Industrial Average (DJI) had its best month in 1998 in October 1998, returning 9.6%.

The Dow Jones Industrial Average (DJI) had its best month in 1999 in April 1999, returning 10.2%.

The Dow Jones Industrial Average (DJI) had its best month in 2003 in December 2003, returning 6.8%.

The Dow Jones Industrial Average (DJI) had its best month in 2004 in November 2004, returning 4%.

The Dow Jones Industrial Average (DJI) had its best month in 2006 in October 2006, returning 3.4%.

The Dow Jones Industrial Average (DJI) had its best month in 2007 in April 2007, returning 5.7%.

The Dow Jones Industrial Average (DJI) had its best month in 2010 in September 2010, returning 7.7%.

Sorry, available market cap data for Amazon (AMZN) starts on January 2, 2009. Amazon (AMZN) has a market capitalization of $2T, based on 10.5B shares at a price of $187.83 (down 0.3% on Friday).

Sorry, available market cap data for Amazon (AMZN) starts on January 2, 2009. Amazon (AMZN) has a market capitalization of $2T, based on 10.5B shares at a price of $187.83 (down 0.3% on Friday).

The Dow Jones Industrial Average (DJI) had its best month in 2012 in June 2012, returning 3.9%.

The Dow Jones Industrial Average (DJI) had its best month in 2013 in January 2013, returning 5.8%.

The average closing price for Amazon (AMZN) this year is $178.61. It was up 23.9% for the year. The latest price is $187.83.

The Dow Jones Industrial Average (DJI) had its best month in 2014 in February 2014, returning 4%.

NVIDIA (NVDA) had its best year since January 22, 1999 in 2001, returning 305.5%.