It turns out 120 feature films a year, has four stock exchanges (including the third largest in the world), some 6, 500 factories and is headquarters for major companies such as the Tata Group, Reliance and the State Bank of India.

CNN: Mumbai: India's financial, cultural hub

For years, the NYSE gobbled up smaller, regional exchanges such as the American Stock Exchange to become the largest U.S. exchange.

WSJ: Planned Deal Marks NYSE's Decline

Of the Asian stock markets, Korea is the fourth largest in equity trading volume, according to the World Federation of Exchanges.

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