<http://schema.org/description>
"Apple's finish at exactly $500.00 on Friday, the day call options for the stock expired, may not be rooted in a conspiracy, but it can be explained by strike pinning..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cheatsheet.com/technology/so-why-did-apple-close-at-exactly-500.html/>