Mumbai, July 29 - Volatility was rife at the Indian equities markets Wednesday, with a key index trading in a see-saw like pattern to rule 90 points in the red around noon.

Around 11.50 p.m., the 30-scrip benchmark index of the Bombay Stock Exchange (BSE), the Sensex, which opened lower at 15,293.19 points was at 15,197.94 points - 134 points or 0.87 percent lower than Tuesday's closing figure.

The S&P CNX Nifty of the National Stock Exchange (NSE) too was trading in the negative terrain at 4,505.5 points, down 1.28 percent.

Broader market indices also came under selling pressure with the BSE midcap index trading 0.64 percent lower and the BSE smallcap index moving down 0.32 percent.

Of the 13 sectoral indices on the BSE, those for realty, consumer durables and metal stocks were losing the most, while IT and auto scrips saw some buying.

The market breadth was tilted towards the negative, with 1,144 stocks rising compared to 1,157 declining.