An Overview Various blue-chip firms contributed rupees 2,93,804.34 crore in market valuation last week, after a record-breaking rally in stocks, with RIL emerging as the highest booster. Previous week, the BSE 30-share benchmark rose 2,005.23 points, or 3.57 percent. On Friday, it surpassed the 58,000 barrier for the first time. Last week, the Sensex only …