 Liberty Sirius XM Group Series A NASDAQ:LSXMA dropped 3.9 during trading on Monday . The company traded as low as 24.61 and last traded at 24.34, approximately 2,231,160 shares traded hands during mid-day trading. An increase of 33 from the average daily volume of 1,678,553 shares. The stock had previously closed at 25.33. LSXMA has ... 