Rare earth metals future may hinge on China

On a single day last week shares in a Colorado-based mining company Molycorp rose dramatically by 12 percent on the stock exchange.

Hong Kong stock exchange hacked

The Hong Kong stock exchange was forced to halt trading this afternoon for 7 stocks after its website was hacked during the morning trading session.

Speed of light limiting stock trading, says physicist

Stock exchange trades now happen so quickly that the speed of light has become a factor, and exchanges may have to be relocated as a result, say researchers.