Tata Consultancy Services on Friday surged past RIL to emerge as the country's most valued firm by market valuation.
At close of trade on BSE on Friday, TCS' market capitalisation (m-cap) stood at Rs 7.633 trillion, which is Rs 3.07 billion more than that of Reliance Industries' Rs 7.63 trillion valuation.
Shares of TCS ended 0.98 per cent higher at Rs 1,993.85 on BSE, while those of RIL slipped 1.15 per cent to close at Rs 1,204.
Reliance Industries had on August 8 surpassed IT major TCS to clinch the status of the most valued company by m-cap.
However, its reign at the top spot was short-lived as it slipped to the second spot in overall m-cap ranking on Friday.
Over past few days, TCS and RIL have been vigorously competing for the title of the most-valued firm.
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On July 31, Reliance Industries had regained its status as the country's most valued firm by m-cap, replacing Tata Group's crown jewel TCS from the top slot.
However, TCS on August 1 reclaimed the country's most valued firm status by market cap, pushing Reliance Industries to the second spot.
The IT major had first replaced RIL as the most-valued firm more than five years ago.
Reliance Industries had last month crossed the $100-billion market capitalisation mark.
On July 13, RIL's m-cap had briefly surged past the Rs 7 trillion mark, making it the second company after TCS to achieve the milestone.
Later on July 20, RIL's market value surged past Rs 7 trillion for the second time in a week.
The m-cap figure of companies changes daily with stock price movement.