The market valuation of IOC tanked by Rs 9,857.49 crore to Rs 2,07,784.17 crore while that of SBI declined by Rs 4,963.43 crore to Rs 2,34,748.61 crore.
The M-Cap of HUL dipped by Rs 1,937.2 crore to Rs 2,61,198.36 crore.
In contrast, Reliance Industries Ltd (RIL) saw its valuation soar by Rs 8,164.93 crore to Rs 5,31,509.65 crore. HDFC Bank's M-Cap jumped by Rs 6,164.78 crore to Rs 4,61,553.05 crore while that of Maruti Suzuki India advanced by Rs 4,836.3 crore to Rs 2,40,842.39 crore.
The valuation of HDFC surged by Rs 3,035.5 crore to Rs 2,83,353.07 crore while that of ONGC rose by Rs 2,567.08 crore to Rs 2,07,770.08 crore.
The M-Cap of Tata Consultancy Services (TCS) went up by Rs 1,330.43 crore to Rs 4,72,857.75 crore.
In the ranking of the top 10 firms, RIL remained the country's most valued company, followed by TCS, HDFC Bank, ITC, HDFC, HUL, Maruti, SBI, IOC and ONGC.
The Sensex has recorded its first weekly drop in four, losing 204.71 points, or 0.64 per cent, while the Nifty lost 39.60 points, or 0.39 per cent.