Meanwhile, the BSE Sensex was down 82.14 points, or 0.32%, to 25,897.46.

On the BSE, so far 1,543 shares were traded in the counter, compared with average daily volumes of 5,450 shares in the past one quarter. The stock had hit a high of Rs 864.55 and a low of Rs 836.75 so far during the day.

The stock hit a 52-week high of Rs 1,003 on 30 November 2016. The stock hit a 52-week low of Rs 665.50 on 24 February 2016. The stock had outperformed the market over the past 30 days till 22 December 2016, rising 0.27% compared with the 0.28% fall in the Sensex. The scrip had also outperformed the market in past one quarter, rising 7.05% as against Sensex's 9.38% decline.

The small-cap company has equity capital of Rs 10.12 crore. Face value per share is Rs 10.

Voltamp Transformers said that a few of contract workmen at the company's Savli factory in Vadodara, Gujarat resorted to violent act on 20 December 2016 with the company's production supervisors, outside factory premise. The company suspended Savli factory operations effective from 21 December 2016 to ensure safety and security of the company's employees and property. However, operations at the company's Makarpura factory situated at Vadodara, Gujarat are totally normal, the company said.

Net profit of Voltamp Transformers rose 209.1% to Rs 20.96 crore on 21.1% rise in net sales to Rs 160.84 crore in Q2 September 2016 over Q2 September 2015.

Voltamp Transformers has installed facility to manufacture oil filled power and distribution transformers up to 160 megavolt amperes (MVA), 220 kilovolts (kV) class.