Many people dismissed that rumor right away. There is so much build around Nokia HQ (and as a whole in Finland for Nokia) and Finland itself lets many thing go past when we talk about Nokia. They would not get the special treatment in USA. There's USA HQ that got just ready this week(that could never be enough the be Nokia's base) and i think somebody just got confused. Though some kind of special software HQ that's rumored sounds something that could happen.

And anyways board of directors is almost all finns and you need them to make the HQ change happen.