S&P 500 Futures Pit on May 6, 2010. Start watching at the 2-minute mark.
This is how Armageddon sounds.
Listen To The Stock Market Flash Crash - Tick By Tick
Many of you have heard this clip before. For those of you who have not, buckle up. Audio of a S&P 500 trader quoting the action that was taking place in the futures pit in Chicago at the CME. The market lost nearly $1 trillion within minutes and then recovered most of the losses. The DJIA and S&P 500 futures fell 10% intra-day.