They mystery to me is who is putting fiat in given that it is a relatively shitty place to buy if price is what one cares about?
That's the mother of all questions!
And I don't think it's many people that put fiat in. Hence the long withdrawal delays.
Why pay 144USD at MtGox for a Bitcoin when I can get it for 128USD at Bitstamp?
The Fiat were always there (orderbook once showed > $24m in bids) I doubt Fresh money is pouring in when SAME bitcoin can be bought cheaper.