Stocks took a sudden, breathtaking plunge today, with the Dow Jones industrial average suddenly falling nearly 1,000 points at one point this afternoon -- before rebounding just as quickly. It closed down some 348 points, at 10,520.32.
Sources said this afternoon that a trading error at Citigroup may have led to the abrupt drop. The possibility was first reported by CNBC.
The sources told ABC News that the possible error by Citi involved what was supposed to be a $16 million trade on an S&P...Full Story