Subscribe Bitcoin recovers above $4,000 after dropping to over one-year low JANNA HERRON | USA TODAY | 5 hours ago The top U.S. financial regulators on Tuesday told a Senate panel that they are studying cryptocurrencies and warned that unregulated exchanges pose significant risks to investors. Zachary Goelman reports. Video provided by Reuters NEWSLOOK What a difference a year can make. Last year at this time, bitcoin was in the middle of a 217-percent rally that saw its value peak in December near $20,000. Now the largest cryptocurrency is struggling to stay above $4,000 – losing almost 28 percent in value this week and briefly hitting its lowest level since September 2007 at $3,477.58 in early Sunday trading, according to data from CoinDesk. It bounced back to $4,029.42 in evening trading, up 5.4 percent from its 24-hour open. Other cryptocurrencies finally entered positive territory in late trading as well. Ethereum was up 3.7 perc
