Warren Buffett steps down as chair of Berkshire Hathaway after over 50 years

<p>Buffett, 96, will become chair emeritus and remain director as his son, Howard, will step in as company’s new chair</p><p>Warren Buffett is stepping down as chair of Berkshire Hathaway after serving in the role at the conglomerate for more than 50 years.</p><p>The 96