Nine of the top 10 most valued companies witnessed a combined erosion of Rs 1,63,510.28 crore in market valuation last week, with Reliance Industries emerging as the biggest laggard.
The BSE benchmark index Sensex had tumbled by 1,071.43 points or 2.63 per cent during the week.
Barring Kotak Mahindra Bank, whose market capitalisation (m-cap) rose by Rs 32,570.94 crore to Rs 3,06,331.09 crore, other nine firms among the top 10 saw depletion in their market worth.
Reliance Industries Ltd's (RIL), the most valued firm, valuation tanked by Rs 39,355.06 crore to Rs 13,89,159.20 crore.
Another heavyweight HDFC Bank's valuation diminished