Bitcoin (BTC) has gone up over 4.6% in a day, and nearly double that in a week. Popular crypto analysts and traders are discussing this jump, but not many seem convinced that this particular rally will last, let alone lead to new all-time highs. (Updated at 16:58 UTC: updates in bold). The number one coin by market capitalization has made a sudden jump on January 6, nearing the USD 8,000 mark and at the time of writing (UTC 9:37), it is trading at USD 7,888 - a price it hasn't seen since Novembe...