The result of a survey of Philadelphia manufactures about their sentiment regarding the current market situation. Values below zero indicate factory sector economy growth rate slowdown. Philadelphia Fed index has significant online forex market influence. It is carefully followed, as it is published before release of the ISM Index (NAPM) and may provide a preview of what the national level business activity indicator will be like. Philadelphia Fed Index is published on the third Thursday of each month. An increase in this index’s value leads to the US dollar rate growth.