Pfizer Inc (NYSE:PFE) reported a Q3 loss with an adjusted EPS loss of 17 cents, down from an EPS income of 67 cents in Q2 and $1.78 a year ago. Q3 sales slumped by 42% to $13.23 billion, down from $22.64 billion a year ago. Despite the loss, Pfizer offers an annual dividend yield of 5.37%, which is a quarterly dividend amount of 41 cents per share. To earn $500 per month from dividends alone, an investment of approximately $111,819 or around 3,659 shares would be needed.