U.S. investment bank Goldman Sachs Group Thursday raised its 12-month forecast for gold by a modest 1.5% to $1,355 a troy ounce, citing a prolonged period of low interest rates and persistent concerns over European sovereign debt. -By David Crawshaw, Dow Jones Newswires; +44 207 842 9252;
[email protected] (MORE TO FOLLOW) Dow Jones Newswires July 15, 2010 06:28 ET (10:28 GMT)