by Sebastien Ricci with Joseph Sotinel in London NEW YORK, United States (AFP) — Bitcoin’s value plunged on Wednesday after China signaled a new crackdown on the cryptocurrency, but its losses were cushioned after Tesla head Elon Musk spoke up on Twitter. The virtual currency fell to almost $30,000 — less than half the record value it reached last month — before climbing back over $39,500 around 2000 GMT. It was still above its level […]