Bitcoin surged over 13% to touch an eight-month high before pulling back; the market is focused on the $84,000 level.

Zhito Finance APP has learned that Bitcoin retreated from an eight-month high during Asian trading hours on Tuesday, after a rally drove it up more than 13% in four days. Bitcoin pulled back from a high of $87,381 during U.S. trading hours to around $85,500, but was still up about $10,000 from last week's low.