Notice how the price haven't moved this time. Usually many people think that an exchange hack is a disaster for Bitcoin, because it somehow undermines the value proposition of Bitcoin. This opinion is often based on past events, like Mt. Gox and other exchanges, but the negative effect of hacks have been lowering with every year. Today $60 million is a drop in an ocean, and just like fiat doesn't crash when a bank gets robbed, Bitcoin doesn't go down.