Bitcoin: What to expect in 2015 By: CNBC.com News December 15, 2014 at 18:04 PM EST Bitcoin had a wild ride over the past two years, with prices driven by speculation, investment and government regulation, and investors should expect nothing less in 2015. Read More >> Related Stocks: Alibaba Group Holding Ltd Bitcoin (Bitstamp) Bitcoin Composite Google, Inc. International Business Machines Western Union