Mt. Gox found 200,000 Bitcoin ($116 million) in an old wallet:
http://www.engadget.com/2014/03/20/mt-gox-apparently-found-200-000-bitcoin-in-an-old-wallet-shoul/
You know this is just CYA they're doing as soon as people noticed and reported they were moving those funds again that they'd moved around a long time ago to prove they had a bunch of coins. "Oh shit, they saw, time to accidentally find them."