The myths of high speed trading

The current fear of high speed trading in the stock market is a repeat of the May 6 crash of 2010 that wiped out US$1 trillion in 30 minutes in New York. And there is genuine fear that there will be many repeats of the flash crash simply because high speed trading is primarily a machine based system. It is garbage in and garbage out. Human error or programme error will just trip the system and go