I believe any public statement made with the intention of moving the price, as opposed to, say, expressing your genuine commitment to a stock's value, is illega

I believe any public statement made with the intention of moving the price, as opposed to, say, expressing your genuine commitment to a stock's value, is illegal. Of course, good luck proving it, or telling the difference, in many cases. But if you cyclically go from “Bitcoin is the future” to “nah”, that might just tip it.