After hearing that the U.S. Treasury sold $32 billion worth of T-bills at a yield of 0%, Warren Buffett emailed this note to the directors of his company, Berkshire Hathaway:

“This should be bullish for Berkshire. With great foresight, I long ago entered the mattress business in a big way through our furniture operation. Now mattresses have become fully competitive as a place to put your money, and sales will soon take off.”