If you aren't versed in shorting or trading against the tide then don't do it, otherwise you're just giving them your coins in the process. Most of the time, people are getting burned far harder than their losses is because they try to recover what's lost during a selloff while other traders just sit still and buy when the bottom is clearly drawn. Also, these gurus you refer to are probably enjoying the cheap coins they're getting from the panic sellers that's why they haven't made any concrete predictions as of late.