US equity markets weaker as investors digested the latest monetary policy pronouncements from the Federal Reserve and awaited some major technology earnings after the closing bell - Dow fell -137-points or -0.31% Nvidia Corp fell -4.10% to be the worst performer in the 30-stock index, extending its recent volatile ride as the chipmaker warned that it may not be able to meet demand for its latest graphics cards set to be released tonight AEST. Nike Inc gained +2.94% on solid volume to be the leading Dow component overnight.