LME aluminum prices have room to move lower in short-term, futher declines possible if equity markets weaken this week, other commidities fail to find support soon, says alumium trader at Japan house. "I think most major commodities are at important support levels, " adding copper near support at $ 7,200/ton, aluminum at $2,700/ton, gold at $650/oz. Trader says US macroeconomic data this week, such as US May CPI, May PPI, May industrial productivity to be key to short-term interest rate outlook, investor sentiment towards commodities. Adds, weak demand in Japan, South Korea, US adding weigh to LME price. LME 3-month aluminum last at $2,710/ton, +$20 on London Friday PM kerb.