UPDATE: Trading on the New York Stock Exchange has resumed after unexpectedly shutting down for more than three hours on Wednesday morning.

Trading halted after the exchange experienced an apparent technical issue at 11:32 a.m. EST.

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

NYSE stressed in a tweet later that the shutdown was “not the result of a cyberbreach,” but an “internal technical issue.”

NYSE-listed stocks, however, continued trading on other exchanges, such as Nasdaq. Exchanges operated by the NYSE, including its options exchange, were functioning normally.

NYSE officials reported another technical issue earlier Wednesday morning that affected customers’ ability to cancel orders electronically. That problem was resolved by 10:37 a.m. EST, according to the exchange’s market status page.

Although the incident has little precedent, it’s reminiscent of an August 2013 outage on the Nasdaq. The exchange stopped trading for several hours due to a faulty price feed.