About: http://webisa.webdatacommons.org/61276788

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 deposit of cash or additional eligible collateral at such times as may be necessary to prevent the equity in your ShareBuilder Margin Account from dropping below these maintenance levels.
http://www.w3.org/ns/prov#wasQuotedFrom	sharebuilder.com