America's wealth has exploded over the past century. The total capitalization of all publicly traded stocks is a great testament to this. See the combined capitalization of all public companies below.
The effects of the dot-com bubble, 2008 financial crisis and the covid pandemic are very apparent in the data. Less talked about, 2022 saw stocks lose 20% of total market value following the post-covid bubble in 2021. Scanning the chart, market volatility also seems to have increased dramatically since the dot-com bubble.
I gathered this data from CRSP's (Center for Research in Security Prices) monthly stock file and used Python to sort the data accordingly. Hope you enjoy!