About: http://webisa.webdatacommons.org/322624744

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The S&P 500 is an index that tracks the market values of 500 large companies in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org