Bitcoin has risen more than 700% in volatile trade this year

The price of the digital currency bitcoin was holding above the $8,000 level on Monday a day after it hit a fresh all-time high, fueling growing fears over an asset bubble.
On the U.S.-based Bitfinex exchange, Bitcoin was at $8,050.50 by 06:05 AM ET (11:05 AM GMT). On Sunday it hit $8,126.90, the highest level in its nine-year history.
Bitcoin has risen more than 700% in volatile trade this year, with three separate corrections of more than 25% all giving way to subsequent rallies. At current prices bitcoin has a total market capitalization of around $134 billion.