Mumbai, Aug 27 - A key index of Indian equities markets that opened lower on weak global cues climbed back into the green a little after noon Thursday.

At 12.28 p.m., the 30-scrip benchmark index of the Bombay Stock Exchange (BSE), the Sensex, which opened at 15,711.8 points, was at 15,798.1 points -- 28.25 points or 0.18 percent above Wednesday's close.

At around the same time, the S&P CNX Nifty of the National Stock Exchange (NSE), too, was trading in the positive terrain at 4690.25 points, up 0.20 percent.

Broader market indices were also doing well, with the BSE midcap index trading 0.71 percent higher and the BSE smallcap index moving up 1.49 percent.

Of the 13 sectoral indices on the BSE, those for consumer durables and healthcare scrips were gaining the most, while realty and FMCG were losing.

The market breadth was positive, with 1,686 stocks on the rise, compared to 882 on the decline, while 72 remained unchanged.