Gold fell more than $100 to below $1,650 an ounce as some investors sold the metal to cover losses in other assets. Commodities plunged this week on concern that policy makers are running out of tools to avert another global recession. More than $3.4 trillion has been erased from equity values this week, driving the MSCI All-Country World Index of shares into a bear market. Before today, gold dropped 9.5 percent since touching a record $1,923.70 on Sept. 6. “People are selling gold to meet margin calls,” Marshall Berol, co-portfolio manager of the Encompass Fund, said in a telephone interview from San Francisco. “We ... (full story)