About: http://webisa.webdatacommons.org/441346576

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	But volatility in the underlying metals prices, including aluminium, has made this a costly strategy as well.There has been a pick-up in options trading.
http://www.w3.org/ns/prov#wasQuotedFrom	risk.net