A target HKN coin event Hacken at WEF @ Davos has come 1136 days ago, happening on 01-23-2018.
In general, this grouping of events is harmfully affecting the price tag of cryptocurrency.
As there were alternate events neighboring this one, it cannot be confirmed that only Hacken at WEF @ Davos has impacted the HKN price, as other events could also have an impact.