The future success or failure of Apple, Alphabet and Microsoft will have a meaningful impact on global equity returns.
Global growth: In the past 10 years the three companies have continued their global expansions. All three generate the majority of their sales outside the U.S. In Apple's latest fiscal year, Greater China represented 25.1% of revenues.
By the numbers: Apple's premium pricing has gained the company the lion's share of industry profits, while Alphabet's Google search and Microsoft Office have become essential tools for more than a billion people.
Valuable brands: The 2015 brand-value ranking by Interbrand estimated the trio's brand are together worth more than $350 billlion. In 2005, their combined value was $76 billion.
Index leaders: The tech trio has collectively added more than $1 trillion in market capitalization over the past 10 years. They hold almost $300 billion in net cash and investments on their balance sheets, and comprise the three highest-weighted stocks in the MSCI World index.