This sell off is wierd! Big buy order at 850, price goes down to 829, stops, new buy orders fills inn from ~875. Again a big buy order at 850, sell off stops at 829, rinse and repeat for like 6-7 times.
using bitcoinwisdom.com.
There is some thought that Mt. Gox is trying to profit from an artificial crash:
https://bitcointalk.org/index.php?topic=360140.0Probably best to hold tight or try to buy low from other exchanges.