2010 flash crash

The DJIA on May 6, 2010 (11:00 AM – 4:00 PM EDT)

The May 6, 2010, flash crash, also known as the crash of 2:45 or simply the flash crash, was a United States trillion-dollar flash crash (a type of stock market crash) which started at 2:32 p.m. EDT and lasted for approximately 36 minutes.

A variety of explanations have been forwarded for the crash, including errors in automatic trading systems and deliberate market manipulation.