About: http://webisa.webdatacommons.org/190124741

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	He began with physical gold and tried options before switching mostly to futures contracts.
http://www.w3.org/ns/prov#wasQuotedFrom	swissamerica.com