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https://www.nyse.com/press/1246442836537.html NYSE Press Release https://www.nyse.com/press/1246442836537.html
http://traderupdates.nyse.com/2012/08/matching_engine_upgrade_univer.html NYSE press release http://traderupdates.nyse.com/2012/08/matching_engine_upgrade_univer.html