Bitcoin rallied to a record, topping $66,000 for the first time as optimism surged for greater mainstream acceptance in the wake of the successful launch of the inaugural exchange-traded fund for U.S. investors.

Bitcoin rallied to a record, topping $66,000 for the first time as optimism surged for greater mainstream acceptance in the wake of the successful launch of the inaugural exchange-traded fund for U.S. investors.  While the historically volatile digital currency spent recent days hovering in a narrow range as it approached its previous April high, the vault past the threshold happened much faster: The price added more than a thousand dollars in a minute just after the open of stock exchanges in the U.S. Big moves tied to significant chart levels have been a common phenomenon in the little more than a decade history of cryptocurrency trading.