Since reaching a weekly high of about $146.5B on Monday, the total market cap has dropped 17 percent and currently rests at just over $121.5B.
source https://www.google.com/url?rct=j&sa=t&url=http://www.talkmarkets.com/content/us-markets/this-week-in-cryptocurrency-friday-dec-28%3Fpost%3D204325&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFfyL6SQX9LmRzJV4AOkazF0UW0VQ