The six most valuable public companies in 2006 versus 2016

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Much has changed in both technology and in the business world since 2006. A decade ago, the smartphone boom hadn’t started, Apple started its MacBook series of laptops (replacing the previous iBook and Powerbook lines), and social media was just taking off.

On the business side, the most valuable public companies in 2006 were mostly energy companies or banking. However, the next 10 years would see big changes for both sectors.