Amtek Auto shares nosedived over 30 per cent on the National Stock Exchange after the exchange on August 18 announced that it has decided to exclude the stock from its equity derivatives segment.
The share price of the company plunged 30.77 per cent to Rs 89 on BSE and 36.36 per cent at Rs 81.75 on NSE.
The BSE Sensex jumped 100 points at 27931.64 on Wednesday.
The share price of the company tanked 71 per cent in the past month on NSE. It was at Rs 280.70 on July 20.