New Delhi, May 21 -- Indian equity benchmarks opened on a positive note on Thursday, tracking a strong overnight rally in US technology stocks and optimism surrounding international trade negotiations.

The BSE Sensex gained 414.03 points, or 0.55 per cent, to stand at 75,732.42 points, while the NSE Nifty 50 advanced 189.70 points, or 0.80 per cent, to reach 23,848.70 points at the opening bell.

The sectoral market also traded in green, with all indices showing positive gains. NIFTY PSU BANK led the rally, gaining 1.31 per cent to stand at 8,075.15, closely followed by NIFTY REALTY, up by 1.20 per cent at a current value of 776.25.

Heavyweight indices like NIFTY Auto and NIFTY Financial Services 25/50 also showed strong gains, standing...