There was a malfunction on the Amsterdam stock exchange on Monday morning, reports Euronext, the company behind the stock exchange.
A spokesperson says that the malfunction had a technical cause.
The outage started around 10 a.m. and shut down trading on all Euronext exchanges until the early afternoon.
In addition to Amsterdam, these are Brussels, Paris, London, Lisbon, Oslo and Dublin.
During the outage, trading was halted for all Euronext products.
After noon, trading resumed in phases, after a pre-opening phase of 15 minutes.