Gold futures fell the most in seven weeks after CME Group Inc. (CME) boosted margins on Comex contracts, prompting investor sales after a three-day rally to a record topping $1,800 an ounce.
CME Group, the world’s largest futures market, raised margins on gold contracts by 22 percent. The minimum amount of cash that speculators must keep on deposit for an initial account increased to $7,425 on 100-ounce contract from $6,075. Earlier, prices climbed to an all-time high of $1,817.60.