Simplify the following text for a Grade 13 native English-speaking person.
Original: Mumbai is home to important financial institutions such as the Reserve Bank of India , the Bombay Stock Exchange , the National Stock Exchange of India and the corporate headquarters of numerous Indian companies and multinational corporations .
Simplified: The Reserve Bank of India , the Bombay Stock Exchange , the National Stock Exchange of India and the many Indian companies and multinational corporations are in the city .