After a technical glitch stops floor trading for hours, the New York Stock Exchange re-opens trading late in the session.

FOX News Radio's Gurnal Scott reports:

Trading on the stock market floor was halted about three hours, forty minutes or so. Exchange officials say it was an "internal technical issue" that caused the stoppage.

Stocks weren't having a good day when trading was interrupted because of a couple of factors: a steep drop in China's market, and how Greece is dealing with the log jam in resolving its money issues.

Floor trading only amounts to about 10% of total trading activity. Transactions did continue for shares on about 60 or so other exchanges.

Homeland Security and the FBI looked into the glitch saying there was nothing "malicious" that they found.

Gurnal Scott, FOX News Radio.