During the week, the BSE benchmark index slipped 338.3 points, or 0.39 per cent. Despite the decline, several heavyweight stocks saw an increase in their valuations. Tata Consultancy Services saw its market value surge by Rs 22,594.96 crore, taking its total valuation to Rs 11,87,673.41 crore. Infosys followed with an increase of Rs 16,971.64 crore, pushing its market capitalisation to Rs 6,81,192.22 crore. State Bank of India added Rs 15,922.81 crore to reach a valuation of Rs 9,04,738.98 crore, while Re ...