No article link on me, but my guess the cause is that there, with bitcoin having doubled a few times in a few weeks to new highs, are more people who feel it's

No article link on me, but my guess the cause is that there, with bitcoin having doubled a few times in a few weeks to new highs, are more people who feel it's overbought and want to cash out / lock in enormous gains that could briskly vanish / sell short than there are people who feel the opposite. Basically. Here's a good place to watch the action: http://bitcoin.clarkmoody.com/ http://bitcoin.clarkmoody.com/