Google executive chairman arrives in North Korea

World stocks cool off following gains last week

New Lego robotics kit talks to iPhones

Class of 2012: Diploma dilemma for Europe grads

Grounded Shell oil-drilling ship refloated

Lenovo to release giant 27-inch 'coffee table PC'

Analysts predicting slow start for 'ultra-HD' TVs

Oil falls as uncertainty hits energy markets

Global regulators agree on bank asset rules

WSJ says Hostess in talks to sell bread brands