Whats with the stock market?

Are we seeing the fake liquidity of High Frequency Trading? http://www.businessweek.com/news/2010-06-16/diebold-plunge-may-show-how-dueling-algorithms-roil-markets.html une 16 (Bloomberg) -- Just as a June 2 meeting with investors was starting, Diebold Inc. Chief Executive Officer Thomas Swidarski saw his company’s share price plummet more than 30 percent in six seconds. ... [more]

Are we seeing the fake liquidity of High Frequency Trading? http://www.businessweek.com/news/2010-06-16/diebold-plunge-may-show-how-dueling-algorithms-roil-markets.html une 16 (Bloomberg) -- Just as a June 2 meeting with investors was starting, Diebold Inc. Chief Executive Officer Thomas Swidarski saw his company’s share price plummet more than 30 percent in six seconds. http://www.bloomberg.com/apps/news?pid=conewsstory&tkr=WPO%3AUS&sid=acVb9F71nS8k The circuit breakers pause stocks in the Standard & Poor’s 500 Index when they rise or fall 10 percent in five minutes or less. Following the halt, Washington Post fell to $453.25 from $929.18 and changed hands for $458.19 at 4 p.m. in New York. A total of 57,739 Washington Post shares changed hands today. [less]