BSE Sensex fell 214 points to trade at 52,558 levels in the opening session on Wednesday. NSE Nifty50 followed suit as it traded at 15,794 levels, down 75 points. PowerGrid, Reliance Industries, and Maruti Suzuki were the top losers on Sensex. The Nifty Metal index suffered the most as it fell by 1.76%. Around 32 companies, including RITES, Welspun Enterprises, and DIC India, will release their quarterly earnings today.