Amtek Auto shares today nosedived nearly 31 per cent after the announcement by bourses with regard to exclusion of company's contracts in equity derivatives and futures and options (F&O) segments, with effect from October 30.
The stock tumbled 30.77 per cent to Rs 89 at close on BSE. In intra-day, its crashed 39.32 per cent to Rs 78 -- its 52-week low.
On NSE, shares of the company plunged 30.59 per cent to Rs 89.15.
The company's market valuation dipped Rs 871.17 crore to Rs 1,960.83 crore.
In terms of volume, 35.47 lakh shares of the company changed hands at BSE and over two crore shares were traded at NSE during the day.
".... Contracts for new expiry months for Amtek Auto shall not be available for trading in equity derivatives segment on expiry of existing contract months," the BSE said in a notice today.
In a circular yesterday, the NSE said, ".... No contracts shall be available for trading in Amtek Auto with effect from October 30, 2015."
However, the existing unexpired contracts of expiry months August, September and October 2015 would continue to be available for trading till their respective expiry and new strikes would also be introduced in the existing contract months, it said.
