TTEC Holdings, Inc. (NASDAQ: TTEC ) recently reported a quarterly increase in the operating margin driven by utilization improvements and decreases in employee-related expenses. Considering the company's recent reorganization efforts, I would be expecting new operating margin improvements in theBased in Europe, I am an independent investor with more than a decade of experience. I research cash flow statements and unlevered free cash flow figures. My articles may include a number of assumptions about the fut ...