Global petrochemical prices fell about 18 percent in December, the biggest month-over-month drop since November 2008, according to TradeArabia. The prices in the more than $3-trillion-plus petrochemicals market, expressed as a monthly average, spiraled $222 per ton from November to $984 per ton in December. On a year-over-year basis, petrochemical prices were down 30 percent compared with the same month last year.
