Berkshire Hathaway investors are eager to hear CEO Warren Buffett hold forth at length about the company on Saturday. It may be one of the last such opportunities to do so.

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.

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.