Money · Facts & sources
4 sourced facts about investing and the stock market, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Answer$44.7 trillion
The NYSE is the largest stock exchange in the world by the combined value of the companies listed on it.
Source: Wikipedia: New York Stock Exchange (2025) en.wikipedia.org
Answer$148.9 billion
Buffett built his fortune mainly through Berkshire Hathaway, buying shares of solid companies and holding them for decades.
Source: Forbes, cited in Wikipedia: Warren Buffett en.wikipedia.org
Answer$200,000 per share
Berkshire Hathaway has never split its Class A shares, so a single share has become one of the most expensive in the world.
Source: Wikipedia: Warren Buffett (2014) en.wikipedia.org
Answerabout 45%
Mergers, buyouts and fewer new stock listings all shrank the pool of public companies over that period.
Source: Wikipedia: Public company (2012) en.wikipedia.org