纽约证交所暂停交易近4小时

Trading stopped around 11:30 am local time and all open orders were cancelled. The exchange explained the situation on its official twitter account, saying "We're experiencing a technical issue that we're working to resolve as quickly as possible."

The issues are limited to the NYSE floor, and the exchange noted it did not affect its all-electronic Archipelago Exchange and options markets remain open. Technicians took more than 3 hours to fix the system and finally the trading resumed at 3:10 pm.

NYSE has denied the issue is the result of a cyber breach but attributed it to an internal technical problem. The US Securities and Exchange Commission has been closely monitored the situation and trading in NYSE-listed stocks. President Obama and the Treasury have also said that they are watching what's going down.

White House Press Secretary Josh Earnest.

"At this point, there is no indication that malicious actors are involved in this technology issues."

The NYSE is not the only one suffering from technical failures today. Around the same time, the homepage of the Wall Street Journal was down and United Airlines grounded all its flights due to computer outages. However, according to NBC News, officials do not think the glitches of the three cases are connected.

For CRI, I'm He Fei in Washington.