Indian main stock index Sensex opened at 15,640.56 points Tuesday 122.64 points or 0.79 percent higher from previous close of 15,517.92 on the opening-up of Indian stock markets to foreign individual investors. Consumer durables, metal, banking and capital goods sector gained 1.35 percent, 0.95 percent, 0.93 percent and 0.86 percent, respectively. Tata Motors, Coal India, Tata Power and property developer DLF picked up 2.23 percent, 2.13 percent, 1.99 percent and 1.98 percent. Sensex is the common name for the Bombay Stock Exchange Sensitive Index. It consists of the 30 largest and most actively traded stocks, representative of various sectors, on the Bombay Stock Exchange.