I don't understand .....if you look at the performance of this ETF ( clear out to 3 years) and if you would have held this ETF you would have lost money. There is something not right about this ETF stay far away from it. Now the people making money on it by trying to time the up's and down's can make some money.......but why risk it. I heard this week on the radio that China now cannot grow enough corn to support there population and are having to import it from other countries. The bad part or the part I don't like is China is coming over here in our country and buying up lots of farm ground especially in the corn belt area. I almost bet you and I couldn't go over there and buy property in there country as there government would not allow a foreigner to purchase property. Why do our politicians allow non US citizens to purchase property in our country? Just wait until November as we vote the bums out of office for that fine health care legislation they passed for us and not for themselves and they know it is coming! Obamanomics......"trickle up poverty"!