Weird article.

That said, the NOK, a petrocurrency, has been hit hard relative to other petrocurrencies. Over the LTM, USD's up 24%, 18% and 15% v. NOK, AUD, and CAD, respectively[1].

[1]https://www.google.com/finance?chdnp=1&chdd=1&chds=1&chdv=1&...