Gold prices slightly increased on Tuesday as investors awaited further updates on US-China trade negotiations and anticipated important US inflation data later in the week to gauge the Federal Reserve's upcoming interest rate moves. As of 12:35 PM GMT, spot gold fell 0.42 per cent to $3,339.53 per ounce, higher than its previous close of $3,325.7. Meanwhile, US gold futures increased 0.18 per cent to $3,360.81 per ounce, down from Monday's closing price of $3,354.9. Attribution: Amwal Al Ghad English, Reuters Subediting: M. S. Salama