The combined market valuation of seven of the top-10 most valued firms jumped by ₹1.55 lakh crore in the holiday-shortened last week, with Reliance Industries Limited (RIL) and Tata Consultancy Services emerging as the biggest gainers. HDFC Bank, ICICI Bank, and Hindustan Unilever saw a decline in their valuations. RIL added ₹46,687.03 crore, taking its market valuation to ₹19,64,170.74 crore.