Absolutely it is the good time to buy and invest in neo because the price still decrease and cheaper. In the coinmarketcap today, the price of neo just reach $18 per coin, so if we invest in neo today we will earn many profits when the coin increase drasticly. You can invest in neo for long term investation because this coin still exist and will more valuable few months later. Hopefully in the end of this year the price of neo will catch up the price of neo in one year ago, in the 31st December 2017 when one coin of neo can reach $72.