By the Numbers
The total market capitalization of all United States equities peaked at $36.1 trillion on February 19, 2020. Quickly afterwards and in just about one month, it fell $12.7 trillion to $23.4 trillion on March 23, 2020. The total market capitalization has recovered over the past year and the market capitalization has added back $24.3 trillion to close on August 6, 2021 at $47.7 trillion (source: Wilshire).
On July 31, 2021, the market capitalization of the S&P 500 was $39.2 trillion. This is 83% of the value of the entire U.S. stock market. This means that for every $6 of value in the United States stock market, $5 of it was invested in a company that is part of the S&P 500 index on July 31, 2021 (source: S&P).
The Federal Reserve has bought 76% of all federal debt that has been issued during the COVID-19 pandemic. This has totaled to be $120 billion of federal debt per month since mid-March 2020 (source: Federal Reserve).
If you're interested in reading more, click the PDF link below to read "By the Numbers" by MFS!