Bitcoin is back above $1,000 Bitcoin is is back above $1,000 for the first time since January 5. The cryptocurrency was higher by 1.5% at $1,000.10 a coin as of 11:39 a.m. ET. It's been a wild year for bitcoin. It began 2017 with a 20% rally during the first five days of the year before crashing 35% on concerns of a crackdown on trading in China. Thursday's gains have extended bitcoin's winning streak to a sixth straight session…