(Reuters) - Sumner Redstone's holding company National Amusements Inc's decision to abandon a merger of its prized media assets, CBS Corp and Viacom Inc, leaves them under pressure to buy or partner ...

CBS is suing National Amusements, the media company’s majority shareholder, alleging that it is violating its fiduciary duty to investors by pushing for a merger with Viacom. The suit, filed Monday in ...

When CBS filed suit to strip Shari E. Redstone of her voting control of the company in May, no one purported to be more surprised — and hurt — than Redstone herself. Perhaps she shouldn’t have been.