Describe High stress levels in employees.

You are the HR director for an investment company that has over $5 billion dollars under its management. They are approximately 500 employees at the company. While the employees are paid very well, the stress of dealing with these kinds of financial assets is high for the employees, with many of the professional money managers leaving the company in less than two years. What are some programs and policies you can put in place that might help with the high levels of stress experienced by the employees? How will this help deal with the turnover issue?