India, Oct. 21 -- The Indian equity market commenced its trading session on a positive note, with the BSE Sensex gaining more than 500 points and the NSE Nifty 50 touching the 23,000 levels due to investors' expectations about the likely agreement between India and the US on trade, improvement in certain stocks, and purchases of information technology shares.

The Sensex moved up by roughly 550 points at the start of the day to open at 74,337.93, whereas the Nifty 50 gained nearly 150 points to begin at 23,016. The trend was continued by the market in early trading hours. At 9:20 am, the Sensex had climbed 0.86 percent to 74,488.60 and the Nifty 50 gained 0.78 percent to 23,066.55. All the 16 major sectoral indices moved up in early trade...