Led by Maruti, 7 of 10 most-valued firms see Rs 269.71-bn drop in m-cap

Maruti's market capitalisation plunged Rs 89.81 bn to Rs 2,849.84 bn

During the first week of 2018, the Sensex notched up a rise of 97.02 points, or 0.28 per cent while the broader Nifty gained 28.15 points, or 0.26 per cent.