It is understandable that many investors are struggling to imagine the financial world without Buffett. But it is silly to think he has failed to prepare his company for what comes next.

Housing experts weigh in on the state of mortgage rates and how the Federal Reserve may provide some relief by the end of the year.

Warren Buffett is telling investors something -- not through what he has said, but through his actions with the balance sheet of his investment conglomerate Berkshire Hathaway ( BRK.A -0.40%) ( BRK.B 0.83%). These actions should be taken as a warning sign with the stock market reaching elevated valuation levels in recent months.