Amtek Group company Castex Technologies, which is being probed, continued to face selling pressure. The stocks fell by 4.96 per cent.
In a regulatory filing, Amtek said it has allotted 44,37,500 equity shares of face value of Rs 2 each at a premium of Rs 167 aggregating to Rs 74.99 crore to promoters group companies by way of preferential allotment.
Reacting to the news, the company's stock opened on a bullish note at Rs 32.50, then rallied as much as 75 per cent to touch an intra-day high of Rs 53.15. At the end of today's trading session the stock was quoted at Rs 46.70, up 53.62 per cent on the BSE.
Over the last one month, the Amtek Auto stock witnessed heavy selling pressure and has tumbled over 80 per cent.
Amtek Auto stock had crashed 35 per cent on September 3 after having crashed nearly 31 per cent on August 19 after the announcement by bourses with regard to exclusion of company's futures and options (F&O) contracts in equity derivatives segment, with effect from October 30.
However, other Amtek group companies Metalyst Forgings and JMT Auto ended in the green with gains of 4.90 per cent and 4.92 per cent respectively on the BSE.
