An internal investigation revealed that a single employee intentionally concealed these expenses over nearly three years.

Macy's M.N on Monday delayed its third-quarter results after finding that an employee hid as much as $154 million in expenses over years, instead issuing preliminary sales figures that fell short of Wall Street expectations.

Macy's on Monday delayed its Q3 earnings release as it conducts an internal investigation into an employee hiding hundred of millions of dollars of expenses.