What Is Precision Castparts Corp? 4 Reasons Warren Buffett's Berkshire Hathaway Is Paying $37B For A Parts Supplier

Warren Buffett's $37 billion megadeal to purchase Precision Castparts Corp. has some analysts wondering why the "Oracle of Omaha" is willing to make such a big bet on the aerospace supplier. The transaction -- the 84-year-old's biggest-ever takeover -- is somewhat uncharacteristic for Buffett's investment firm, Berkshire Hathaway Inc., which typically focuses on companies in, for instance, the food, insurance, energy and railroad sectors.