Bitcoin volatility is back to levels not seen since early November, thanks to a sudden tumble toward the end of the U.S. day. Historical swings over the past 10 days on the Bitcoin-U.S. dollar pair surged to 65% on Wednesday, the highest level since Nov. 6, according to data compiled by Bloomberg. Bitcoin plunged in that session, going from being little-changed at $10,168 around 5 a.m. Hong Kong time to a drop of more than 8% to $9,327 about 45 minutes later. It recovered somewhat after that, and traded at $9,572 as of 10:50 a.m. “It could be a technical move with highly leveraged derivatives positions getting ... (full story)