VanEck Vectors Gold Miners ( GDX ) jumped 0.9% to peek above its 50-day line - a gauge of technical strength - before turning negative. Gold and silver ETFs gained ground on Thursday, extending their sharp turnaround following the Fed's cautious stance on the pace of future rate hikes at its recently concluded March meeting. The central bank raised a benchmark rate for only the third time in a decade Wednesday, but some gold experts said the ensuing FOMC presser showed policymakers "as not being too hawkish on monetary policy, and possibly less aggressive on fighting inflation."