-- Investment environment has gotten way dangerous after recent run up in the markets.
-- He thinks earnings will be weak and that will bring markets down.
-- He thinks expected earnings slowdown, along with recent run up in the stock markets and more easing measures by the fed make an investment "toxic cocktail" environment.
-- As of today has the highest net short position for the year.
Credit and source: www.cnbc.com, CNBC
Here is the video: