Trading in Atos Origin stock has been suspended this morning after a sharp jump in the French technology services company's share price.

Shares in Atos were up 17.8% at €45.18 each at 07.30 GMT to value the company at €3.2bn ($4bn) after initially being halted for reaching an upper limit in pre-trading. "Limit-up" thresholds are put in place to control market volatility.