Billionaire Ken Griffin warns on consequences of gold’s rally as Goldman targets nearly $5,000

A previous version of this Need to Know column and a MarketWatch news alert inaccurately characterized Ken Griffin’s view on gold, as compared with that of Goldman Sachs.  Gold’s rally hints at trouble under the surface of U.S. markets, says Citadel’s Ken Griffin. - MarketWatch photo illustration/Getty Images As a government shutdown drags on, markets are hard at work, dazzling investors on all fronts — from fresh S&P 500 SPX and Nasdaq COMP highs, to a rally for gold that’s about to take it to $4,000 an ...