Complex sentence: The Libyan Investment Authority managed to preserve Libyan state assets throughout the banking crisis, and afterwards during teh revolution, although some investments made losses, the Fund has grown from US $50 billion in 2008 to US $63 billion by 3Q 2010.
Split into simpler sentences: The Libyan Investment Authority managed to preserve Libyan state assets throughout the banking crisis and the revolution. Although a few investments showed book losses in 2010 the Asset base has grown from US $50 billion in 2008 to US $63 billion by 3Q 2010.