samsung. it will be a busy hour for your money. investors certainly have not gone on vacation this week. we are following tropical storm isaac as it moves towards the gulf of mexico where 23% of countries oil is produced almost half of all the oil that is refined in this country into gasoline that process is done in the gulf of mexico. isaac could become a category 1 hurricane by tomorrow. how will it affect all of these industries? we will tell you. tracy: of course we have a fox business exclusive with the man known as the father of the futures markets. leo melamed joins david. david: that should be interesting. but first let s take a look at the markets. the dow crossing the unchanged line about 38 times. the nasdaq was the only index managing just barely to get gains. that was buoyed as we said by shares of apple. utilities and technology both performing sectors while materials lagged. oil lost all early morning momentum ending the day in the red. traders began to sell on