[ChuckMcM]

Which is a good thing I think. The sad thing would be if it had no reaction at all because it was dominated by trading algorithms which don't panic. Then I'd start to wonder whether or not it was a market at all.

[hfpn]

Algorithms can panic too... on fake Twitter data for example [1] and many other criterias too...

1. https://secure.marketwatch.com/story/twitter-trading-influen...