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Dragged down by Coal India and Reliance Industries, the combined market valuation of four of the top 10 Sensex companies fell by Rs 19,049 crore last week.
Reliance, ITC, ONGC and Coal India lost market value in a week when the benchmark Sensex rose 69.94 points to 21,133.56.
The market capitalisation of Coal India slumped Rs 9,379 crore to Rs 1,62,899 crore.
Reliance's valuation plunged Rs 5,671 crore to Rs 2,80,171 crore, while the m-cap of ONGC slipped Rs 3,636 crore to Rs 2,42,334 crore.
The value of ITC fell by Rs 363 crore to Rs 2,57,421 crore.
Six of the top 10 companies cumulatively added Rs 16,156 crore in market capitalisation.
TCS added Rs 6,366 crore to Rs 4,40,351 crore, while Wipro's market value jumped Rs 5,119 crore to Rs 1,41,330 crore.
The valuation of Infosys increased Rs 1,780 crore to Rs 2,15,858 crore and HDFC Bank's value rose by Rs 1,353 crore to Rs 1,61,383 crore.
Bharti Airtel's market worth gained Rs 839 crore to Rs 1,25,238 crore and mortgage lender HDFC's m-cap went up by Rs 699 crore to Rs 1,31,737 crore.
TCS continued to rule the top 10 chart, followed by Reliance, ITC, ONGC, Infosys, Coal India, HDFC Bank, Wipro, HDFC and Bharti.
