One way to look at is that a lot of the people who ended up with cash yesterday have put bids back in, presumably, and from the looks of the order book, in anticipation of the price dropping.
Ive deposited a total of 2BTC within the last few days. Not bad for doing nothing. Kinda like earning interest on your money. Though I wouldnt go depositing large amounts in this scheme until the site has been around a while and built up some trust/feedback.