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 ...

HAMMOND — Government lawyers allege an oil re-refinery plant with a location in East Chicago violated the Clean Water Act after they discharged wastewater with excessive pollutants into the city ...

BILLINGS — A fire at the ConocoPhillips refinery that spewed thick black smoke into the air on Christmas Eve was caused when a heater inside the tank ignited oil vapors, a company official said ...