Sirius XM Holdings (SIRI 3.89%) has had a rough time of late, falling nearly 60% in value over the past 12 months. Yet, one of the most famous investors in history has been a keen buyer of the ...

Sirius XM Holdings stock (NASDAQ: SIRI) has declined by about 60% this year, amid several challenges, including a sluggish recovery in the automotive industry and adverse advertising trends.

Starting on Wednesday, May 4, Sirius Satellite Radio and XM will finally be almost completely indistinguishable from one another. Since their merger, the two satellite radio providers have sported ...