He did so he could manipulate transportation sector higher being a lackard. He is trying to get his berkshire shares up higher with these games. Same game with GS trying to make financials recover and fol all of the idiots who have bought into the stock market because BUffett was investing. BIg deal he will collapse once again. He knows nothing. Just games and hope investors will enable his pyramid scheme to work again.THese markets worldwide are all going to collapse because no demand for anything here. Him and others have been manipulating oil sector to achieve the market recovery. Pyramid scheme big time here when all of you fools realize this these markets are going to collapse because we are so over priced and over valued.He is gambling on investors stupidity.