Bombay Stock Exchange (BSE) in India is the oldest stock exchange in Asia. It is also the biggest stock exchange in the world in terms of listed companies. Around 4,800 companies are listed in the Bombay Stock Exchange. It is located at Dalal Street, Mumbai, India. The Bombay Stock Exchange was established in 1875. It accounts for most of the trading in shares in India.
The BSE Index is India's first stock market index that enjoys an iconic stature, and is tracked worldwide. It is an index of 30 stocks representing 12 major sectors. The Sensex is constructed on a 'free-float' methodology, and is sensitive to market sentiments and market realities. Apart from the Sensex, BSE offers 21 indices, including 12 sectoral indices.