Apple COO Jeff Williams to step down later this month |

Jeff Williams, Apple’s chief operating officer, is stepping down from his role later this month, as announced by the company on Tuesday. Sabih Khan, who…

Warren Buffett will step down as Berkshire Hathaway CEO |

Legendary investor Warren Buffett announced today that he will ask the Berkshire Hathaway board to have Greg Abel replace him as CEO at the end…