Trading was unexpectedly halted on the floor of the New York Stock Exchange Wednesday morning.
In a brief statement immediately after the halt, which happened around 11:32 a.m. ET, the NYSE wrote, “NYSE/NYSE MKT has temporarily suspended trading in all symbols. Additional information will follow as soon as possible.”
Trading was still halted as of 12:30 p.m. ET.
In a longer statement issued just after noon, Marissa Arnold, an NYSE spokeswoman, said, “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.”
Earlier, the NYSE tweeted:
Early indications are that a computer problem or glitch is the cause; CNBC and others used the term “technical issue.” Coincidentally, United Airlines had to ground all flights for an hour Tuesday morning due to computer issues, as well.
Two U.S. officials told NBC News that there was “no indication that computer issues at NYSE & [United] are related or a cyberattack.”
All open orders from before the trading halt were cancelled. Meanwhile, NYSE stocks can still be traded on other exchanges right now, including the Nasdaq, which seized the opportunity, in a sense, on Twitter:
At 12:30, NYSE sent out three more tweets with new details on the situation, insisting the problems are not resulting from a hack:
This post has been updated throughout with new details. It was last updated at 12:47 p.m.
This is a developing story. Please check back for further updates.