To sell or not to sell? Ethereum price fluctuations

The second largest cryptocurrency by the market capitalization has risen by 10% over last weekend. Experts predict that the price will continue to grow. The price of ethereum on the Bitfinex exchange rose to $641, after that it decreased, while now the digital currency is trading at $637.
)
Two days ago, in the afternoon on April 21, the virtual coin was worth about $576. Then it increased by 10%. The price of altcoin has been gradually growing over the past three weeks.

According to experts' research [https://www.newsbtc.com/2018/04/23/ethereum-price-technical-analysis-eth-usd-rise-2/], to continue its boost, the ethereum price should not fall below the mark of $620, otherwise, it will decrease to $610. In the case when price continues to rise, it can quickly reach the level of $648. If the trade coin price overcomes this mark, it will quickly reach the $650 mark.

On Sunday, April 22, the value of ethereum rose for a while above the $640 mark, after which it stabilized, and after midnight on April 23 it fell below $620, but then again began to rise. A week ago the price of the token did not go beyond even $500, so during this period, the total growth has become 28%.

Today, the total capitalization of the cryptocurrency market again reached the $400 billion rate, last time it was seven weeks ago, on March 8. In April, the price of top cryptocurrencies​ increased significantly, including Bitcoin that jumped to the mark of $9,000, and then it dropped back. Now the coin is trading at $8,920.

P.S. Thanks for making it till the end. Don't forget to upvote and follow my account! The most interesting info is yet to come!