The economy of the state of Maharashtra is the largest in India. It is one of the most urbanised of Indian States. Mumbai, the capital of Maharashtra is considered the financial capital of India with the headquarters of almost all major banks, financial institutions, insurance companies and mutual funds being based in the city. India's largest stock exchange Bombay Stock Exchange, the oldest in Asia, is also located in the city. More than 41% of the S&P CNX 500 conglomerates have corporate offices in Maharashtra.