Anthropologists studying the cultural habits of a certain type of American investor could do no better than to join the thousands who make the annual pilgrimage to Omaha, Neb., where Warren Buffett's Berkshire Hathaway Inc.

Tens of thousands of people will descend on Omaha, Nebraska, to attend the annual shareholder weekend for billionaire Warren Buffett's Berkshire Hathaway. Buffett, 94, is expected to answer shareholder questions over four and a half hours at Berkshire's annual meeting on Saturday.

CEO Warren Buffett, known as the Oracle of Omaha, is among the greatest living investors. Because Berkshire Hathaway has delivered outstanding long-term returns for its shareholders, the company’s imminent earnings release will be a closely watched and highly anticipated event.