RIL's stock went up by 4.26 per cent to settle at Rs 1,050.45 on the BSE. During the day, it climbed 4.56 per cent to Rs 1,053.50, its 52-week high.
The blue-chip stock was the biggest gainer among the 30-Sensex components.
More From This Section
On the NSE, shares of the company rose by 4.22 per cent to Rs 1,050.40.
Following the upmove in the stock, company's market capitalisation rose by Rs 14,032.37 crore to Rs 3,40,103.37 crore.
In terms of volume, 0.83 million shares of the company changed hands on the BSE and over 3.9 million shares were traded on the NSE during the day.
Wednesday's gain for RIL was the biggest since June 18, when the stock rose five per cent. The company would announce its Q1 results on July 24, 2015.
Meanwhile, in the broader market the BSE Sensex ended the day with a gain of 322.79 points at 28,504.93.