<http://schema.org/description>
"Zacks Investment Research downgraded BHP Billiton Plc. to a Zacks Rank #4  from a Zacks Rank #3 on Mar 29."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.zacks.com/stock/news/95963/bhp-billiton-pushed-to-sell>