Shares of Sirius XM Radio rose more than 2% in Monday's trading session. The stock closed 2.07% higher at $3.20 on above average volume of 62.79 million. Sirius shares have had a decent run so far this year, gaining more than 10%, compared to a gain of more than 5% for the NASDAQ. The company has faced stiff resistance at around $3.20 in the past. The stock currently has support at around $3.10. Recent volume activity for Sirius indicates that market sentiment is bullish on the stock. This is confirmed by the stock's MACD chart.