NioCorp Developments is trading at $0.37 (-32.69%); available evidence identifies no direct catalyst for the warrant’s sharp move. - No company-specific announcement explaining the October 30 drop was found; NioCorp’s latest listed releases were dated October 13–16. - Critical-minerals peers were also under pressure, with reports describing broad sector selling. - Those reports do not establish that sector selling caused NioCorp Developments’ decline.