http://www.coindesk.com/mt-gox-bitcoin-price-falls-post-china-low/
"The most direct contributor to the day’s decline was the revelation that more than 4,500 BTC were reported stolen from online black market Silk Road 2.0, which failed to adequately respond to transaction malleability issues that were earlier reported by Mt. Gox, Bitstamp and other exchanges."
All coins might be stolen! Even Stamp. Oh my God!
Edit: Gox below 450$!!!!!!
Edit: China below 3700