spreading rumors or fake news can greatly affect its value because it reduces trust in bitcoin. but it is only temporary if the government makes its legal as a commodity because it can strengthen its value.
indeed crypto currency is very easy to experience changes in prices or values even news or bad issues can affect the value and price of the crypto currency and that is one of the risks that will be obtained in investing with crypto currencies
Looking it's price today is too far since from the start, this means that we ate continuously growing. Its fluctuating prices have made us to generate profit but still we need to choice the right coins to invest and so we won't loss our funds.