G4S share dive 10% after Olympics blunder

G4S, the UK-listed contractor which has had to ask for help to ensure security at the Olympics is watertight has seen its shares plunge today over the blunder which has cost it up to £50m.

By mid-afternoon, shares were down 9.6% or 26.8p, at 251.9p, as investors fretted over whether future deals with the government had been jeopardised following the high profile nature of its failure. The FTSE 100-listed company also delivered a profit warning today, noting it will take a £35m-£50m hit on the contract as a result of its failure, with the loss falling on this year's financial results. The group's chief executive Nick Buckles is now facing calls to resign after G4S failed to deliver the 10,500 security guards it was contracted to do, forcing the government to call up 3,50...