Gold miners fall premarket as bullion prices drop

U.S.-listed shares of gold miners fall premarket after bullion prices fall

Spot gold XAU= down 3.5%% to $4,640.72 after top commodity exchange CME raised margin requirements

Gold prices had steepest single-day drop on Friday since Dec 1982, falling more than 9% after former Fed governor Kein Warsh was picked as the new chair.

Newmont NEM.N down 3.3%

Canadian miners Barrick Mining B.N ABX.TO down 4.2%, Kinross Gold KGC.N K.TO drops 4.2%, Agnico Eagle AEM.N AEM.TO falls 4.5%

South African miners: Gold Fields GFI.N GFIJ.J down 3.2%; AngloGold Ashanti AU.N falls 3.1%; Harmony Gold HMY.N HARJ.J declines 3.2%; Sibanye Stillwater SBSW.N SSWJ.J loses 2.3%

SPDR Gold shares ETF GLD.N down 3%, the ETF has gained 72% in last twelve months