Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

Climate change is the biggest threat for the Great Barrier Reef, and reefs worldwide. Other key threats include poor water quality, fishing impacts on protected and threatened species, marine debris ...

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 ...