Which of the following is a sound investment strategy? O A. Employees should purchase shares in their employer's stock. They can usually buy-in at a slight discount using the ESPP. Use information about the previous movements in the sock price to buy when the shares fall below a low-price threshold (the support level) and sell when O Dithe shares cross a high-price threshold (the resistance level). C. Follow financial magazines and newsletters that indicate the good times to buy stocks. O D. All of the above O E. None of the above