Mumbai, Nov 18 (IANS) A key index of Indian equities was trading flat Wednesday afternoon as investors sought to book profit in key scrips.

At 2.31 p.m., the 30-share sensitive index (Sensex) of the Bombay Stock Exchange (BSE), which opened lower at 17,032.01 points, was trading at 17,037.77 points, down 12.88 points or 0.08 percent from its last close of 17,050.65 points.

At the National Stock Exchange (NSE), the broader S&P CNX Nifty was ruling at 5,059.7 points, against the previous close at 5,062.25 points, with a marginal loss of 0.05 percent.

However, broader market indices were trading in the green, with the BSE midcap index ruling 0.62 percent higher and the BSE small cap index 1.09 percent up.