We upgrade our recommendation on SIRIUS XM Radio (SIRI) to Outperform based on better business visibility of the company. An improving U.S. auto sector and a rise in consumer spending will sustain SIRIUS XM’s near-term growth. Management maintained its full-year 2011 revenue target while raising its free cash flow estimate. We believe upcoming SIRIUS XM [...] (SIRI) SIRIUS XM Radio – Bull of the Day