Forex inflows through Bajaj Finance share sale to qualified institutional investors helped the rupee hold strong, said analysts.
After swinging 413 points during the session, the 30-share Sensex settled 53.73 points, or 0.13 per cent, lower at 40,248.23.
Gold is trading at Rs 39,213 per 10 gram on Tuesday on rupee appreciation and selling in global markets.
Crude oil for delivery in November was trading lower by Rs 46, or 0.14 percent, to Rs 4,004 per barrel in 27,004 lots.
By 2023, up to 30 per cent of world news and video content will be authenticated to counter deepfake technology, the report said.
Rupee is trading at 70.73 against dollar, following increased selling of the American currency by exporters and banks.
The 30-share index pared all gains to trade 41.28 points, or 0.10 per cent, lower at 40,260.68.
Eighteen out of 28 Nifty companies that have reported quarterly earnings have beaten or matched the average analyst estimate.
A higher opening in domestic equity market, and hopes for a US-China trade deal also supported the local currency.
Top gainers in the Sensex pack included Vedanta, Tata Steel, ICICI Bank, Tata Motors, SBI, HCL Tech, Sun Pharma.