On December 22, 2017, a fall in prices was seen for most cryptocurrencies, including all the top 20 by capitalization.
Thus, over the past week (December 18-24, 2017) a noticeable reduction in Bitcoin capitalization, by approximately $80 billion from $326.1 billion to $244.8 billion, was seen, with its dominance falling from 56.3% to 43.2%. Despite the overall market decline on December 22, 2017, over the past week the growth in altcoin capitalization equaled roughly $70 billion, increasing from 253.4 billion to 321.5 billion (Table 1.1).
During the period from December 18-24, the Bitcoin exchange rate dropped by 25%, while the exchange rate of its competitor Bitcoin Cash increased by nearly 80% (Table 1.1).
The main reasons for the changes in the exchange rates of the leading cryptocurrencies over the last week are given in Table 1.3.
The Smith + Crown Index decreased over the indicated period from 34,989 to 28,997.
https://www.coinspeaker.com/2017/12/27/weekly-cryptocurrency-ico-market-analysis-december-18-24-2017/
