Momentum Builds as Liberty Broadband Shares Surge Over 11% Liberty Broadband stock experienced a robust 11.19% gain on Friday, closing at $85.06 after opening at $76.50. Trading volume spiked, with 459,000 shares exchanged, signaling heightened investor interest. Technical indicators remain positive, with buy signals from both short and long-term moving averages, suggesting continued optimism in the near-term outlook.12