OKcoin and Huobi provided margin trading that violated rules resulting in abnormal price and fluctuations. Posted on January 18, 2017 by 247 BTC 247 BTC Bitcoin News Search 1 News - 247 News - 247 Bitcoin - 1 Search Search for: submitted by /u/Butt_Cheek_Spreader [link] [comments] 247 BTC Bitcoin News Search 1 News - 247 News - 247 Bitcoin - 1 Search Search for: