Shares of Indian Overseas Bank, the top BSE Midcap gainer, rocketed and locked at 20 per cent upper circuits. 

At 12.15 pm on Wednesday, the core equity indices i.e., Sensex and Nifty 50 were recovering amidst relaxed oil prices, and the changing political dynamics arising due to the Ukraine-Russia conflict. The Sensex was trading at 57,554.93 up by 254.24 points 0.44 per cent, while Nifty was at 17,162.40, up by 70.20 points or 0.41 per cent from the last trading session.