New Delhi, Sept. 22 -- Domestic equity markets closed lower on Tuesday, with the Nifty 50 falling 85.30 points, or 0.36 per cent, to 23,329, while the BSE Sensex declined 329.91 points, or 0.44 per cent, to 74,529.08, as losses in IT and other key sectors weighed on sentiment.

However, the decline in crude oil prices below the USD 100 per barrel mark provided some relief to investors and helped the markets recover from their intraday lows.

Vinod Nair, Head of Research, Geojit Investments, said the continued decline in crude oil prices, with Brent slipping below the key USD 100 per barrel level, provided relief to investors and helped the domestic market recover from intraday lows, although overall sentiment remained cautious.

"Expectat...