If you've read TAKEDOWN then you might be questioning this new of a computer algorithm "glitch":
UPDATE 8/2/2012: Knight Capital lost 440 million yesterday on the algorithm glitch. A friend wrote: "Sometimes I wonder why terrorists bother with bombs. They could just take our country down using algos in a kind of synchronized economic Armageddon. I can't figure out why this isn't a national security issue."
Exactly my point in TAKEDOWN.
UPDATE 12/4/2012: More on high frequency trading at http://www.nytimes.com/2012/12/04/business/high-speed-trades-hurt-investors-a-study-says.html
I've lost seven pounds since I last posted on the weight loss front, for a total of twenty. Must be the heat . . .