Microsoft could become a $1 trillion company by 2020 thanks to its cloud computing business.
The Russell Top 200 Index is a market capitalization weighted index of the 200 largest companies in the Russell 3000.
Microsoft gains ground internationally, although Google is still the undisputed US leader.
The FTSE NASDAQ 500 is one of four indexes in the FTSE NASDAQ Index series first introduced in July of 2005 and discontinued in July 2014.
Microsoft shares moved sharply lower following a broader tech sell-off, but traders will be closely watching these key levels.
Lightening Up: Investors cut stakes in Facebook, Apple, Amazon, Microsoft and Google
The largest individual holders of Microsoft shares remain the company's founders and top management.
The new campus has been designed to accommodate 8,000 more employees.
The move to the cloud is not the death of Cisco, but rather a 'great opportunity,' say analysts.
While Amazon leads in online merchandising and cloud computing, it lags in artificial intelligence.