The index published by the Institute for Supply Management non-manufacturing activity as the United States, representing 80% of the U.S. economy. The pivot point of this indicator is 50, in the case of a bottom line, this would indicate a contraction in activity and therefore a deterioration in the business climate. The ISM index is based on the trends in employment, new orders and the price level. The influence of this indicator focuses on the various markets including the foreign exchange and so the dollar. Indeed, in case of bad results, the dollar should be penalized suggesting a deterioration in the U.S. economy.