This is how Eugene Stanley (Prof. at Boston Univ., H-index > 123) coined the term Econophysics at a conference in Kolkata. The Wall Street exploits the similarity between statistical physics and stock market to predict many things. A good read.
http://polymer.bu.edu/hes/hes14interview-managementreview.pdf
http://polymer.bu.edu/hes/hes14interview-managementreview.pdf