NEW DELHI: Domestic equity benchmarks Nifty50 and Sensex closed Wednesday's session on a flat note as investors adopted cautious stance before the third-quarter earnings figures of bluechip companies are unveiled.

The Nifty50 index closed 1 point up at 10,443, while Sensex ended Wednesday's session 19 points down at 33,793.

Adani Ports, Larsen & Toubro, Hindalco, ICICI Bank, Ambuja Cements, YES Bank and Vedanta stood as the top gainers in the Nifty50 index.

On the other hand, Dr Reddy's Labs, Wipro, Bajaj Auto, Oil & Natural Gas Corporation, Maruti Suzuki, Tata Motors and Bharat Petroleum Corporation remained among the top losers.

Nifty Auto index stood as the top loser among the sectoral indices on NSE, followed by Nifty Pharma, IT and Nifty Bank index.

Meanwhile, Nifty Metal index rose over 1 per cent, backed by gains in Jindal Steel & Power, which surged up to 9 per cent.

Nifty Realty, private bank, media and FMCG indices too settled in the green on Wednesday.

Out of 50 stocks in the Nifty50 index, 28 closed the day in the green, while 22 settled in the red.

As many as 120 stocks hit fresh 52-week highs on NSE, compared with 5 stocks that hit fresh 52-week lows on Wednesday.