The New York Stock Exchange stopped trading unexpectedly on Wednesday morning. “NYSE/NYSE MKT has temporarily suspended trading in all symbols,” the NYSE said on its market status page. “All open orders will be cancelled. Additional information will follow as soon as possible.”

Eric Scott Hunsader, founder of market analysis firm Nanex, visualized what happened at the NYSE this morning in a chart:

As he also pointed out, volume on the NYSE was subdued Wednesday. You can see that in this
chart:


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Trading activity ground to a halt as the New York Stock Exchange suspended all trading due to technical issues. (Reuters)