http://www.newsweek.com/elon-musk-bitcoin-breakup-tweets-cryptocurrency-1597487 > Elon Musk issued a series of cryptic tweets about bitcoin that appear to suggest the billionaire has broken up with the cryptocurrency. > Bitcoin was down about 5.5 percent at the time of writing, having experienced two sharp tumbles in price starting from Thursday night. The cryptocurrency is trading at about $36,450, and its market cap—the total value of bitcoin's circulating supply—is around $680 billion.