yea, i understand now. the order book got clogged up or something. So EVERYONE couldn't trade. I was thinking that it was just happening to some people because i kept seeing people making trades on clark moody. I guess clark moody just goes into a loop when the order book malfunctions.
It's not clark moody that's looping. MtGox is feeding the looped data to clark moody. I know this because I am watching the data over the websocket directly from MtGox (EDIT: when it lets me connect). MtGox's trading engine has a bug in it that is causing this.