NEW YORK (MarketWatch) -- Gold futures rose Tuesday for a second session, as the U.S. dollar weakened against most of its major rivals, boosting gold's appeal as an alternative investment. Investors were also awaiting U.S. corporate earnings data. August gold rose $1.90, or 0.2%, to $924.40 an ounce in early North American electronic trading. In currencies, the dollar index [s:DXY] stood at 79.945, down from 80.024 late Monday.
