Last month, the National Stock Exchange witnessed 'flash crash', when the Mumbai-based brokerage Emkay Global Financial Services sent the exchange index tumbling as much as 15.5 per cent in just a few seconds, creating a panic among traders.
The crash was the result of erroneous trades worth $126 million, placed by Emkay Global.
"We are going to take some measures so that there is some pre-check in orders, in pricing and there are some other checks also introduced.
"We are looking at avoiding similar incidents," Sebi chairman U K Sinha told reporters on the sidelines of a securities market conference in Mumbai.
"We are going to announce some measures based on experts views.
Lapses on part of any intermediaries will be looked at separately and actions will be taken," Sinha said.
He assured the regulator is acting on both the fronts -- systematic improvement and action for lapses.
Commenting on regulator's decision to discontinue mini-derivatives contracts, Sebi Chairman Sinha said as measure of experiment, Sebi allowed mini derivativescontracts, but data show that trading in mini contacts constitute only a minuscule and it was felt that there might be certain amount of misuse and mis-selling
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