The stock market was already on edge because of the financial crisis in Greece. Images of mobs demonstrating in Athens were fueling an underlying panic. There's a growing fear that a financial collapse in Greece could trigger a wave of financial trouble across Europe (and possibly even the world).
Early in the morning, some stocks swung wildly on unusually high trading volume, after what appeared to be technical miscues. The New York Stock Exchange said it was investigating unusual trades in 140 stocks.
As Of 12:00 P.M. EDT Wednesday, August 01, 2012