cycle

Goldman Sachs JBWere analysts reluctantly upgrade 2006 base metal price forecasts to reflect bloating impact of rising commodity investments. Lifts aluminum forecast to $1.04/lb from 93 cents, copper to $1.92 from $1.70, lead to 48 cents from 45 cents, nickel to $6 from $5.50, zinc to 86 cents from 75 cents. However, still flagging top of cycle; "we believe that base metal prices are currently in an investment bubble that is very unlikely to be sustainable