Bitcoin fell by as much as 6.5 per cent on Tuesday, on track for its largest one-day drop in two weeks, as a wave of selling hit cryptocurrencies and other risk assets, such as stocks. The price was last down 5.86pc at $63,419, having dropped to a two-week low of $62,966, while ether fell 6.39pc to $3,283. Bitcoin is still showing a 52pc gain for the year so far, as investors have piled int