Bitcoin leaps over $20,000 as U.S. dollar sags

SINGAPORE (Reuters) – Bitcoin surged past the $20,000 barrier and was eyeing its best day in six weeks on Friday as the U.S. dollar fell broadly and markets found reasons to be cheerful at the end of a dour week. Bitcoin, the biggest cryptocurrency by market value, rose more than 7% to $20,796, a two-week high. Ether, the second-biggest, rose 5% to also hit a two-week peak at $1,717. Bitcoin had been as low as $18,540 on Wednesday. Market participants said there was no particular trigger for the gains beyond a broad upbeat mood in evidence across asset classes on Friday, led by a drop in the s…