Questioned about Europe, Mr Cameron confirmed comments by the home secretary in the Sunday Times that a government review was looking at introducing possible controls to limit a new wave of economic migration.

BBC: Conservative conference: Cameron rules out 'mansion tax'

The volatile moves in many stocks likely triggered a wave of additional trades as hedges such as limit orders and options strategies kicked in.

WSJ: Dow Takes a Harrowing 1,010.14-Point Trip

Most states are seeing the first wave of welfare recipients who have reached the law's five-year time limit.

CNN: Text of Bush's Notre Dame speech

Riding on a crest of a wave until last month, his party has been badly shaken by the affair and is struggling to limit the damage.

ECONOMIST: Germany