The messaging system is what sends the buy orders and cancel orders to the posts on the exchange.

FORBES: Magazine Article

The Shanghai-based carrier is the first Chinese airline to cancel orders for the Dreamliner.

FORBES: Chinese Airline Cancels Boeing Dreamliner Order; Airbus Not Spared

The commission has described how supermarkets change prices and cancel orders at the last minute, which could discourage suppliers from investing.

ECONOMIST: Supermarket competition

The two companies saw stricken airlines last year cancel orders for a total of 142 aircraft, with Boeing slightly the worse affected.

ECONOMIST: Airbus and Boeing

True to the bitter rivalry between the men, Livingstone has pledged to cancel orders for more Routemasters in favor of hybrid vehicles if Londoners vote him back into power, although he will allow the current eight buses to remain in service.

CNN: London mayoral election: Battle of the buses

But when television footage of the car tilting on to two wheels added drama to photographs of the overturned vehicle, German customers began to cancel their orders.

ECONOMIST: Car safety

It says the US - which is leading the F35-B project - is likely to cancel its orders, as Washington struggles with a government debt crisis.

BBC: Joint Strike Fighter planes (file pic)

If the world economy takes a turn for the worse, some airlines will no doubt seek to cancel or postpone orders.

ECONOMIST: Making aircraft