117. How Warren Buffett Manages Its Subsidiaries

118. Using Leverage or Option Contract to Speculative Stock

Warren Edward Buffett (born August 30, 1930) is an American investor, business magnate, philanthropist, and the president and CEO of Berkshire Hathaway. He is considered one of the most successful investors in the world and has a net worth of more than 100.6 billion US dollars as of April 2021, making him the seventh richest person in the world.Buffett was born in Omaha, Nebraska. He developed an interest in business and investing in his youth, eventually entering the Wharton School at the University of Pennsylvania in 1947 before transferring and graduating from the University of Nebraska