Bullion edged higher in early trading, after adding 3.6 per cent over the previous two sessions. Traders are turning their attention to the latest US inflation data due on Wednesday. Asean Intelligence Get insights into businesses across South-east Asia Get the free reportHowever, pressure on the US central bank to raise rates – a negative for gold, which does not pay interest – will build if energy prices remain high. Gold has rallied above the key US$4,000-an-ounce support threshold in recent weeks, with renewed investor appetite for the precious metal backed by an increase in central bank purchases. The Bloomberg Dollar Spot Index, a gauge of the US currency, fell marginally after gaining 0.2 per cent in the previous session.