چکیده (انگلیسی):

The purpose of this study is to investigate the effect of corporate governance mechanism on
information content of operating results in unprofitable companies, compared to that of profitable companies to
do so, the impact of variables such as Institutional Investors, The Non-duty Managers in the Board of Directors,
Free Float Stock and The Use of Debt in Financing on Stock returns of both unprofitable and profitable companies
was studied. Statistical sample includes 13 companies, between the years of 2007 to 2012 this study
"combinational data" method was used in order to test considered theories. Study results shows that there is a
meaningful relation between nominative stockholders percent of property and stock yield in both unprofitable and
profitable companies , but its effect is more obvious in bad companies . In addition, there is also a positive relation
between unbound managers in board of directors and Stock returns, which its impact is more in bad companies.
Moreover, there is a meaningful relevance between floating stock and stock returns in both profitable and bad
companies but it has a stronger effect on the former one. Finally, there is a negative and adverse relation between
using debt to financial feasibility and stock yield in bad companies. However, no relation was found in profitable
companies.