The Standard and Poor’s 500 is a stock market index tracking the performance of 500 large companies listed on stock exchanges. Contrary to popular belief, these are not the 500 biggest companies but arguably the 500 most important companies.
A stock market, also called stock exchange, is a platform where investors can buy and sell stocks (also called shares) and bonds in publicly traded companies. Prices for stocks are determined by supply and demand.
Marc Cohodes of Alder Lane Farm pulls no punches as he diagnoses the true culprits behind the exponential volatility in stocks such as GameStop: extreme leverage and the hedge funds who use it in order to juice returns. Cohodes argues that hedge funds like Point72 and Melvin Capital are creating significant systemic risk for all market participants.