US hedge fund manager also waives his right to appeal judgment
Bank of America Corp, Wells Fargo & Co, JPMorgan Chase & Co and Citigroup Inc are among servicers that may make concessions totalling about $10 bn
Slowing revenue growth and sagging shares have ratcheted up pressure on Facebook to find new ways to generate sales
Much of the damage to investors is self-inflicted, as US growth improves and companies reap the biggest rewards