Sirius XM (SIRI, Financial) shares saw a significant increase in pre-market trading, jumping 6.74% to $26.60. This surge is attributed to a substantial investment by Warren Buffett (Trades, Portfolio)'s Berkshire Hathaway.
The investment firm purchased $86.73 million worth of Sirius XM shares over a three-day period, raising its total holdings to 108.72 million shares. This move indicates Berkshire Hathaway's strong confidence in Sirius XM's future potential.