Oil has traded at $100 a barrel for the first time.
Violence in Nigeria, Algeria and Pakistan, the weak US dollar and the threat of cold weather have all raised prices after the new year break.
Light sweet crude rose $4.02 to $100 a barrel in New York, prompting a drop in shares and a surge in gold prices.
http://news.bbc.co.uk/1/hi/business/7168664.stm
Wow, the magical $100 topped