SONM price growth is probably connected to SONM transformation into DAO, so that community can support and manage the project.
I think whales pumped the price to get out with a profit. their supporters lost faith with the team as they announced to stop development. Check their social media profiles and feedback from users.
Please dont make me laugh

$40 million ICO fund bring project nowhere and now with zero budget to develop SNM you expect project to go far and the funny thing is same crooks who exited with investors fund still standing behind sonm as ceo and project manager.
That fund went to Core team pocket. This is why the ICO market is currently not trusted anymore. People will make fake promises and get all the money to fulfill their own needs. Very disappointed with the announcement like every supporter.