Interarch Building Products' shares listed on the exchanges with a premium of 44.3% on Monday. The stock debuted at Rs 1,299 on the NSE and Rs 1,291.20 (43.5% premium) on the BSE, compared to an issue price of Rs 900 per share. Ahead of the listing, the shares were trading with a grey market premium (GMP) of 36% over the issue price.
