SEC considers ‘trading bands' to prevent a repeat of the flash crash
As the trading pause trial programme for US exchanges comes to an end, the Securities and Exchange Commission (SEC) is discussing new measures to prevent a reoccurrence of the May 6 flash crash.
Trading pauses were introduced across US exchanges in June, and work by applying a five-minute halt every time a security in the programme moves 10% or more in a five-minute period. An auction then takes place to discover the price at w
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