The combined market capitalisation of seven out of the top ten most valued companies in India surged by ₹1.23 lakh crore last week, during which BSE benchmark Sensex gained 720.56 points. The market valuation of Reliance Industries, which led the pack, rose by ₹45,266.12 crore to ₹21,54,978.60 crore. SBI and Larsen & Toubro also saw a rise in their valuations.