New Delhi, April 27 -- The combined market capitalization of six of the top 10 most valued companies surged by Rs.1,18,626.24 crore last week, with Tata Consultancy Services (TCS) leading the gains.

During the week, the BSE Sensex rose by 659.33 points or 0.83%, while the NSE Nifty added 187.7 points or 0.78%.

Reliance Industries, HDFC Bank, TCS, State Bank of India, Infosys, and ITC registered growth in their valuations, whereas Bharti Airtel, ICICI Bank, Bajaj Finance, and Hindustan Unilever saw declines.

TCS recorded the highest increase in market value, adding Rs.53,692.42 crore to reach Rs.12,47,281.40 crore.

Reliance Industries' valuation rose by Rs.34,507.55 crore to Rs.17,59,276.14 crore.

Infosys saw its market cap jump by Rs...