Yeah, Banco Santander is a little confusing when it comes to the various ticker symbols they use around the world.  It appears that CNBC and Nasqaq are quoting the stock correctly under the new ticker.  But the NYSE (where Banco Santander is listed) is showing an incorrect daily change.  Go figure.
Here is a pretty good article on the change:
http://buzz.money.cnn.com/2012/06/12...ticker-symbol/