Matches in DBpedia 2016-04 for { ?s ?p "John Joseph Phelan, Jr. (May 7, 1931 – August 4, 2012) was an American financier who served as president and later chairman and chief executive of the New York Stock Exchange, where he introduced computerized trading technology. Phelan's leadership tenure at the NYSE included the 1987 Black Monday stock market crash, during which he declined to halt trading. Phelan's calm and confident manner was widely praised. After the crash, Phelan helped to implement trading curbs also known as \"circuit breakers\" to help prevent rapid stock selloffs in the future."@en }
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- John_J._Phelan,_Jr. abstract "John Joseph Phelan, Jr. (May 7, 1931 – August 4, 2012) was an American financier who served as president and later chairman and chief executive of the New York Stock Exchange, where he introduced computerized trading technology. Phelan's leadership tenure at the NYSE included the 1987 Black Monday stock market crash, during which he declined to halt trading. Phelan's calm and confident manner was widely praised. After the crash, Phelan helped to implement trading curbs also known as \"circuit breakers\" to help prevent rapid stock selloffs in the future.".