Gold futures close higher to mark a three-session win

SAN FRANCISCO (MarketWatch) -- June gold climbed 70 cents to close at $690.40 an ounce Monday. It finished below the day's high of $693.20, but has gained $15.30 in three trading sessions. July silver gained 11 cents to close at $13.64 an ounce. July copper was the lone loser among the key metals, down 4.3 cents to close at $3.7155 a pound, giving back part of last week's 6.5% climb.