Investors can use options to turn unrealized gains into an income-generating stock—but there are important caveats.

Buffett talked about U.S. trade, the stock market and his own future at Berkshire Hathaway's annual shareholder meeting. Here are the highlights.

Berkshire Hathaway Inc. won’t be the same without Warren Buffett running things, and now investors must think about what kind of company it will become under Greg Abel.