[Carling]

That sort of mistake alone would not result in a 10% drop in the market.

What will the spin be next week when we lose another 400 points?

[mad_as_he$$]

A few minutes after the P&G thing 3m collapsed and the computers went crazy selling.

[untrained skeptic]

Makes me wonder how much of our market is based on companies using computer models which have sell off provisions if certain stocks take big hits.

It doesn't make sense for people to be selling off that large of quantities of some of those relatively stable stocks after they took such big hits. It makes me think that it was don't by a computer model with poor safeguards because they never thought this particular chain of events would occur.