Shares of Sirius XM Holdings Inc. SIRI shed 5.84% to $24.10 Tuesday, on what proved to be an all-around positive trading session for the stock market, with the NASDAQ Composite Index COMP rising 0.56% to 18,

It's the only satellite radio provider, but this isn't such a big advantage now that nearly all of its customers already pay for mobile internet service.

Berkshire Hathaway owns 31% of Sirius XM Holdings, the satellite-radio company, and one of Berkshire’s investment managers also holds an interest in the company.Berkshire held 105.2 million shares of Sirius XM as of Sept.

Sirius XM Holdings (NASDAQ: SIRI) investors have struggled to lock onto a signal from the satellite radio giant. The stock is down 55% this year amid disappointing results with concerns about whether the company can manage to move the dial toward stronger growth.

Sirius XM Holdings (NASDAQ: SIRI) has now completed its combination with media mogul John Malone's controlling stake in the satellite radio platform. The Liberty Sirius XM Group tracking shares that were a distraction and historically traded at a wide discount to the common shares were officially absorbed into the main company after Monday's market close.

This was the stock's third consecutive day of gains.

Sirius XM has fallen sharply this year, even as the general market moves higher. The Fed finally lowering the federal funds rate target should open doors in more ways than one. In addition, a spike in political ad spending and the stock's historically low valuation should drum up interest in the coming weeks.