Bio-Rad Laboratories Inc. Cl A $320.31-29.92-8.54% ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

The S&P 400 MidCap Index tends to go further down the market-cap ladder, favoring small cap stocks that tend to be more volatile than more established mid-cap stocks. Small-cap companies ...