Mumbai, Aug 18 - A key index of the Indian equities markets rose into green terrain Tuesday after opening weak, but slipped to rule a meagre 19 points above its previous close about 10 minutes into start of trade.

The sensitive index (Sensex) of the Bombay Stock Exchange (BSE) opened at 14,745.8 points, as against Monday's close at 14,784.92 points. It was ruling at 14,803.98 points, 19.06 or 0.13 percent up, about 10 minutes into trade.

The S&P CNX Nifty of the National Stock Exchange (NSE) too was trading in the positive terrain at 4,392.1 points, a gain of 0.1 percent.

Broader market indices were faring a tad better with the BSE midcap index up 0.88 percent, and the BSE smallcap index ruling 0.96 percent higher.