New Delhi: Shares of Reliance Industries surged 4 per cent on Wednesday, taking its market valuation above Rs 20 lakh crore and helping benchmark indices close at record highs.

The market bellwether stock closed 4.09 per cent higher at Rs 3,027.40 on BSE. During the day, it rose 4.41 per cent to hit a record high of Rs 3,037.

It rose 3.87 percent to Rs 3,021.10 on NSE.

The market valuation of the company increased by Rs 80,359.48 crore to Rs 20,48,282.28 crore. Reliance Industries is the most valuable company in the country in terms of market capitalization (MCAP).

The sharp rise in the stock played a key role in lifting the equity markets.

The 30-share BSE Sensex closed at a new closing peak of 78,674.25, up 620.73 points or 0.80 per cent. During the day, it rose 705.88 points or 0.90 percent to hit a new all-time high of 78,759.40.

Reliance Industries alone added 352 points to the rise of Sensex.

Nifty closed at a record closing high of 23,868.80, up 147.50 points or 0.62 per cent. Intra-day, it rose 168.6 points or 0.71 per cent to hit a new high of 23,889.90.

Blue-chip stocks have risen more than 17 percent so far this year.

In terms of volume, 7.23 lakh shares of the company were traded on BSE on Wednesday and 110.07 lakh shares were traded on NSE during the day.