Tuesday, Sep. 30, 2008

October 27, 1997

544 points (7.2%)
Sometimes dubbed the "mini-crash," this massive Dow loss came amid troubles in the Hong Kong Hang Seng Index, which fell 6% in trading. The Dow was actually forced to close 30 minutes early, according to the Securities and Exchange Commission, because it had reached the "circuit-breaker level" before the normal 4 p.m. Wall Street close.