Earlier quoted context omitted.
Knight Capitol: "$10 million a minute. That’s about how much the trading problem that set off turmoil on the stock market on Wednesday morning is already costing the trading firm. The Knight Capital Group announced on Thursday that it lost $440 million when it sold all the stocks it accidentally bought Wednesday morning because a computer glitch. " Glitch. Oh... https://en.wikipedia.org/wiki/Therac-25
I do not work in finance, but surely every trading company has had an algorithm go wild at some point. Just becomes a matter of how fast someone can pull the circuit breaker before the expensive failure becomes public.
You would think so.
Cynical me.
But no. When money is at stake much more care is taken than when lives are at stake.