Some ten percent of the stock dollar value of the planet, is made up of some ten companies. As it is, so goes the S&P 500, so goes the world. Indeed, lets go one step further and say that, as goes Apple, Amazon, Facebook, and Tesla, so goes ‘The S&P’.
I am NOT saying, that this is good or attractive. Rather, I am saying that in Paretosque form, that to understand the fate of nature, climate, and society–if not major fate itself–this is a major factor to look at (for better or worse) as the world goes. A structure will behave according to the properties of its system. You can bet on it.
‘World capital markets of some one hundred trillion dollars are very substantially dominated by the US stock markets. US stocks were reported as having been worth 50.8 trillion on December 31st.
Since the ETF known as the SPY–by all accounts, the single best proxy for the Standard and Poor’s 500, aka as SPX–closed at 374.40 at year end, and today February 11th, 2021 is priced at 390.25, this is an increase of 15.85, 4.33% or 52.96 trillion.’ Full article, continues at link, here.