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 gr…