Why Is Warren Buffett Buying More Sirius XM Stock?

Berkshire Hathaway is adding to its position in one of the biggest losers on its scorecard this year. It makes more sense than you think.Sirius XM Holdings' (SIRI 5.50%) may have fallen out of favor for most investors, but arguably the best stock picker of our time sees things differently. Warren Buffett's Berkshire Hathaway (BRK.A 0.81%) (BRK.B 0.68%) didn't make a lot of portfolio moves in the second quarter, but one of the few tweaks it did make was to dramatically ramp up its stake in the satellite radi ...