Which sector will spawn the world’s biggest corporation in 10 years - healthcare?

The corporate world is expanding rapidly with the S&P 500  - an index of the US's topmost valuable 500 publicly-traded companies - returning a CAGR (cumulative annualised growth rate) of about 10% in the past decade alone. It has kept such high returns since the 1950s, despite a few bear runs and challenges, and is showing the potential for even more growth. Today, the world's (and the US's) ten most valuable companies are mostly tech giants, or at least tech-native, with a significant part of their revenue coming from those in the advertising industry who have been selling our data. And tech companies such as Facebook, Google, Apple, Microsoft and Amazon have become hyper-optimised, customer-obsessed giants. However, the healthcare market actually dwarfs the tech sector with the US healthcare market alone being valued at $4 trillion, or nearly 20% of the country's gross domestic product (GDP). For more context, this equates to a domestic spending of about $12,914 per person - or doub…