Through my look ,the price might have fallen, b/c of:
1. BTC or (ETH) ups and downs
2. ICO bounties - it does not work if there is to big bounty for investors in pre sale
3. Sometimes bigger ICO investments goes down, cuz there is a huge volume, and
4. It might comes to forks
5. When the hard cap is succed, on the other side there are big investors who are waiting for selling tokens ( cuz for them is easier to make double profit with huge number)
6. If you agree with me, let me know.
Thank you