Before revision:  We collect and interpret the empirical, numerical, and semi-analytical evidences for the existence of these phase transtions , by considering the Frankfurt Stock Exchange (FSE), as a typical example of a financial market of a medium size.
After revision:  We collect and interpret the empirical, numerical, and semi-analytical evidences for the existence of these phase transitions , by considering the Frankfurt Stock Exchange (FSE), as a typical example of a financial market of a medium size.