Indian main stock index Sensex opened at 18,124.29 points Monday, 97.14 points lower from previous close of 18,221.43 points. The index gained 134.51 points or 0.74 percent after 29 minutes of trading in the morning session on the rises of Asian markets. Metal, realty, IT and technological sectors grew 1.59 percent, 1.37 percent, 1.25 percent and 1.09 percent, respectively. Aluminum refiner Hindalo, copper maker Sterlite Industries, Tata Motors and software outsourcing player Infosys advanced 3.4 percent, 1.99 percent, 1.86 percent and 1.5 percent. Still, motorbike maker Hero Honda, Oil and Natural Gas Corporation, Reliance Communication and Hindustan Unilever softened 1.43 percent, 0.23 percent, 0.03 percent and 0.02 percent, respectively. 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. 