For those who are not familiarized with this, MT.Gox was the biggest Bitcoin market in internet. It was managing about $375 million in Bitcoins when it went down. Long story short, this site was suffered a theft that lasted for years before they realized something was happening. I couldn't find any more details about this, but it's interesting to check the MT.gox official website:
Now, the current price for a Bitcoin is $131.62. Many people is running away from Bitcoins because they think that this was a failure in the Bitcoin structure itself. In my opinion, Bitcoin is still experimental, but eventually it will be as safe as a normal currency. Remember that the regular money is also affected by the moves in the market and other events. Besides, there is a lot of examples of "real" money that lost all its value (check this). This should not mean the end of Bitcoin. This is only a case of bad use of money, and it happens in the real world and Internet, and it will keep happening, always.
If you want to know more about Bitcoin, visit the official website here.
For some statistics, you can check this.
I'll acquire my first Bitcoin wallet as soon as I can!
A good article worth reading.