All one has to do is read any recent announcements by SIRI, and management clearly states that they see NO company worth acquiring. Rather, SIRI just announced a $2B share buyback and a special dividend for shareholders. They are returning value to shareholders, noy buying companies that lose money and have terrible business models.
I think it's more likely that you want this. Just be patient. Check back around February 2013. I'm not saying don't keep an eye on it. If you see it drop substantially before then, add to your position. Don't sweat the daily stuff.