The plunge in the gold price in the past week may have raised a big red flag over the global economy. Some top investors say the gold sell-off, and the broader declines in oil and metals prices, reflect the failure of the Federal Reserve and other central banks to create robust demand even as they inject massive amounts of money into the world financial system. The slide, which took gold to its biggest one-day loss ever in dollar terms on Monday, unnerved investors who saw billions of dollars in gains wiped out in a few days, and it may portend declines in other asset prices ahead. That may have begun this week with ... (full story)