NYSE officials have denied any relation to a cyberattack.

The largest stock exchange in the world has seen trading on all shares suspended due to technical difficulties. Officials have confirmed that all open orders will be cancelled and investors are currently unable to buy and sell securities.

An NYSE spokeswoman said in a statement “We’re currently experiencing a technical issue that we’re working to resolve as quickly as possible”

“We will be providing further updates as soon as we can, and are doing our utmost to produce a swift resolution, communicate thoroughly and transparently, and ensure a timely and orderly market re-open.”

Based on a recent 30-day average trading on the NYSE floor accounts for a quarter of consolidated tape volume, or trading of all NYSE securities on all platforms.

The Nasdaq reported no technical issues and continues to trade NYSE-listed stocks whilst it appears that The Wall Street Journal website is also experiencing technical problems.

Traders are waiting for more updates and when the reopening will be whilst officials have said no indications point to a cyberattack on the exchange.