If Saudi Arabia has to increase its production to cover Iran's oil, it would leave a razor-thin margin to cover for any other disruptions.

CNN: STORY HIGHLIGHTS

Was the money used to cover margin calls on bad trades?

FORBES: MF Global Ghost Still Terrifies Average Investors

Those who look for near-term weakness cited potential for more selling of gold to meet margin calls and cover losses in other markets, as was reported during a decline from record highs Thursday when equities tumbled.

FORBES: Survey Participants Tilted Bullish On Gold Prices Next Week