I would argue that the value of Bitcoin is influenced by the market response to Bitcoin itself, depending on how the market responds to Bitcoin users or Bitcoin miners themselves.
If the market response to Bitcoin rises then the price will go up, and vice versa if the market response to Bitcoin down then the price will come down.
Many factors affect the value of Bitcoin but the major factor is the negative statements and news. With this negative news Bitcoin affects up to some extent and not permanently but for the time being the value alters. Similarly the positive news about the Bitcoin encourages people to take the ways straight towards the market.
The CEOs and founders of large companies and the reputed companies say positively about the Bitcoin because they know better the future world is of cryptocurrency and this contribute to the increase in demand for people.