Nasdaq Halts All Trading After Technical Glitch

FILE - In this Tuesday, Aug. 21, 2012, file photo, stock prices are shown at the Nasdaq MarketSite, in New York. Trading was halted in Nasdaq-listed securities on Thursday, Aug. 22, 2013, because of a technical problem. The exchange sent out an alert to traders at 12:20 p.m. EDT saying that trading was being halted until further notice because of problems with a quote dissemination system. (AP Photo/Mark Lennihan, File)
Mark Lennihan/AP

By Chuck Mikolajczak
and Rodrigo Campos

NEW YORK — Trading in shares of more than 3,000 U.S. companies listed by Nasdaq, including Google, Apple and Microsoft, was abruptly halted shortly after midday Thursday because of a technical problem, the latest black eye for the U.S. securities trading business.

All traffic through Nasdaq stopped at 12:14 p.m. Eastern time, the exchange said on its website, citing a problem distributing stock price quotes. A source familiar with the matter described the problem as a “data feed issue.”

Rival exchanges halted trading of Nasdaq-listed shares shortly afterward at the request of Nasdaq, the second-biggest U.S. stock exchange operator.

Options trading was also halted, the exchange added.

The interruption means that investors had very limited market access to trade such familiar names as Apple (AAPL), Facebook (FB) and Microsoft (MSFT) In all, Nasdaq lists about 3,200 shares.

“I can’t remember this happening in recent memory,” said Christopher Nagy, president of consultancy firm KOR Trading and a former head of trading at TD Ameritrade.

“As we continue to eliminate human beings from the execution of security trading, this is the problem you run into,” said Stephen Massocca, managing director of Wedbush Equity Management in San Francisco. “These events are going to take place, given the level of automation.”

Trading of shares not listed on Nasdaq continued, but transactions couldn’t be executed on the Nasdaq platform.

Major market gauges such as the Nasdaq Composite Index (^IXIC) and Nasdaq 100 were also affected. The composite had been up 0.87 percent when the disruptions struck and the 100 index was up 0.75 percent.

The broader Standard Poor’s 500 index (^GPSC), which includes around 100 stocks listed on Nasdaq and as a result weren’t trading, was up about 0.75 percent on the session.

Nasdaq declined to comment immediately beyond the electronic alerts it was issuing to traders. When trading resumes, estimated to be around 2:30 p.m., Nasdaq said it will precede the start with a 15-minute period when only price quote traffic will be permitted, not actual trades.

The New York Stock Exchange’s parent, NYSE Euronext (NYX), ceased all trading in Nasdaq-listed shares at the request of Nasdaq.

BATS Global Markets, a stock exchange operator that itself was hit with a nearly hour-long outage on Aug. 6 , said it also disabled trading in some Nasdaq securities. The U.S. Securities and Exchange Commission said it was monitoring developments and in touch with the exchanges.

“I would not want to speculate other than to say this is huge. Everything is halted in the market,” said Sal Arnuk, co-manager of trading at Themis Trading in Chatham, N.J.

Thursday’s outage was the latest of a flurry of high-profile glitches that have become familiar to participants in U.S. stock markets. On Tuesday, a technical problem at Goldman Sachs Group (GS) resulted in a flood of erroneous orders being sent to U.S. equity options markets.

Also hurting market confidence were problems last year related to Facebook’s initial public offering, and a disastrous trading blowup at Knight Capital Group (KCG) that was a contributing factor to the eventual sale of that company.

In 2010, a “flash crash” wiped several hundred points from the Dow Jones industrial average (^DJI) in a matter of minutes.

Other trading venues, such as so-called “dark pools,” which execute orders anonymously, were also affected by Thursday’s outage.

“We have halted trading of the affected securities in our dark pool,” said Mark Turner, managing director and head of sales trading at Instinet in New York. “I believe at this point most dark pools have probably done the same thing.”

Additional reporting by Herbert Lash, Samuel Forgione and Ryan Vlastelica in New York, Sarah N. Lynch in Washington, D.C., and Hezron Selvi in Bangalore; writing by Dan Burns and Jonathan Stempel.

Article source: http://www.dailyfinance.com/2013/08/22/nasdaq-halts-all-trading-after-technical-glitch/

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