BOC India top gainer in BSE 500, hits 20% upper circuit

The stock is also the top gainer in S&P BSE 500 Index.

BOC Group, U.K, a subsidiary of The Linde Group, holds 89.48 percent stake in the company as of December 2012.

According to the rules and regulations of SEBI, every private sector company has to comply with minimum public shareholding norms of 25 percent by June 2013. 

At 14:38 hours IST, shares were quoting at Rs 303.10 amid large volumes on Bombay Stock Exchange.

There were pending buy orders of 10,289 shares, with no sellers available.
 
Trading volumes jumped 11 times to 1,78,521 equity shares as against five-day average of 16,344 shares.