Vaccines are available to prevent a number of respiratory diseases, including influenza, S. pneumoniae infection, H. influenzae type B infection (in young children), pertussis, diphtheria, varicella, and measles.
The price-earnings ratio can be calculated as: Market Value per Share / Earnings per Share. For example, suppose that a company is currently trading at $43 a share and its earnings over the last 12 months were $1.95 per share. The P/E ratio for the stock could then be calculated as 43/1.95, or 22.05.
Earnings per share ratio (EPS ratio) is computed by the following formula: The numerator is the net income available for common stockholdersâ (net income less preferred dividend) and the denominator is the average number of shares of common stock outstanding during the year. It does not include preferred shares.