This article (pointed to me via zerohedge) describes the current bitcoin market exactly.

A Game of Sentiment

http://www.salientpartners.com/epsilontheory/post/2013/11/03/A-Game-of-Sentiment

"who will get the most votes when all the voters are basing their votes on who they think will get the most votes? This is the Sentiment game!"

and

"We have reached the third degree where we devote our intelligences to anticipating what average opinion expects the average opinion to be. And there are some, I believe, who practice the fourth, fifth and higher degrees." (originally Keynes).