Gold and silver plummeted in a historic sell-off amid volatility and margin calls, triggered by speculation of a hawkish Fed chief pick. Markets reel as global equities tumble this morning, while investors brace for key earnings and central bank decisions in a turbulent start to February. Our Chief Economist David Kohl shares his view on what to expect from a Warsh-led Fed. And Mensur Pocinci, Head of Technical Analysis, explains why the long-term trend in precious metals is still positive after the crash.