Barron’s Maxim Group noted that on Sirius XM’s recent call, it reported a record Q2 with 31% EBITDA and increased FY guidance. So, they are increasing their 2014 EBITDA estimate to $1.49 billion (up 28.1% year-over-year), from $1.39 billion, as subscriber acquisition costs should continue to trend down with greater used-car subscribers driving significant margin improvement.
http://rbr.com/sirius-xm-may-buy-back-1-8-billion-more-in-stock/