See ya — Bitcoin plunges below $13,000, losing third of its value in what could be its worst week in five years

LONDON/TOKYO — Bitcoin plunged below US$13,000 on Friday after losing around a third of its value in just five days, with the digital currency on track for its worst week since 2013 after a blistering ascent to a peak close to US$20,000 on Sunday. The biggest and best-known cryptocurrency had seen a staggering twentyfold increase…

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