UNITED STATES - MARCH 16:  Students walk across the 'diag' in the center of the University of Michigan campus in Ann Arbor, Michigan on March 16, 2004. The University of Michigan said the FBI and college officials are investigating ``the unauthorized access and public release'' of its February consumer sentiment report. The index was published by the Market News International news service before being released to subscribers on Feb. 13, Richard Curtin, director of the university's Institute for Social Research, which compiles the index, said in an interview.  (Photo by Brett Mountain/Bloomberg via Getty Images)