Shares of Indian Railway Catering and Tourism Corporation (IRCTC) hit a new high of Rs 4,512 after surging 8 per cent on the BSE in Wednesday’s intra-day trade, on the back of heavy volumes, ahead of 1:5 stock split. The trading volumes on the counter more-than-doubled today, with a combined 7.02 million equity shares having changed hands on the NSE and BSE till 11:19 am.