By Kate Gibson
NEW YORK (MarketWatch) -- Gold futures climbed mildly higher on Monday with investors readying for the first U.S. economic data of the week. "This week will be pivotal for risk appetite ahead amid a heavy U.S. data calendar, which culminates in Friday's NFP [nonfarm payrolls] data," said analysts at Action economics. The gold contract for December delivery gained 90 cents to $1,238.80 an ounce in electronic trade on the New York Mercantile Exchange.