New Delhi, Feb. 6 -- BLS E-Services opened at a premium of 126% at Rs 305. The stock was trading at a premium of Rs 155 in the grey market. The grey market is an unofficial market where shares are traded before the listing on the bourses. The company set its IPO's price band at Rs 129-135 per equity share. BLS E-Services' initial public offer was opened for retail investors on 30th January and was closed on 1st February. It is an entirely fresh issue of Rs 310.91 crore. According to the company, the proceeds collected by the company will be used for strengthening the technology infrastructure to develop new capabilities and consolidating the existing platforms, setting up BLS Stores, acquisitions, and general corporate expenses. Unistone Ca...