"Who: NYSE
Where: USA (NEW YORK CITY)
When: Friday June 17th 2005
The New York Stock Exchange saw the heaviest ever first hour of trading on 17 June 2005. Due to a quirk in the options and futures markets, 704 million shares were traded between 9.30am and 10.30am, rising to 1.92 billion shares in the course of the day."
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