<http://schema.org/headline>
"Groupon, Diamond Foods, NVIDIA, WR. Grace, Atmel Equity Reseach Feb. 9th"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cheatsheet.com/stocks/groupon-diamond-foods-nvidia-wr-grace-atmel-equity-reseach-feb-9th.html/>