Speculators added bullish gold bets for the first time in nine weeks as concern that global economic growth is slowing whipsawed equity markets.
The gain in the net-long position in New York gold futures and options snapped the longest run of reductions since 2010. Prices rose for a second week as global equities retreated to an eight-month low.
More than $3.2 trillion was wiped from the value of world shares this month as the International Monetary Fund cut its outlook for global growth in 2015. Federal Reserve policy makers identified slowing foreign economies as a risk to the U.S., spurring the fastest purchases of gold held through exchange-traded products since July.