The stock touched a high of Rs 636. It finally ended up Rs 78 (14%) at Rs 607.
Around 377,030 shares changed hands at the counter today.
Updated at 1305 hrs
Hindustan Zinc has surged following news of exploration and surge in reserves.
The stock opened at Rs 541, up Rs 12. Thereafter it slipped to a low of Rs 536. But the stock gained strength after the announcement and surged to Rs 585, up over 10% from the previous close.
The stock is now up 7% at Rs 565. A total of 47,245 shares have been traded on the BSE so far.
According to a release to the BSE today, the reserves and resources of the company have increased by 20% to 272 million tonnes from 226 million tonnes.