Home Business Commodities: Cocoa tops 2018 gainers, as growth worries roil metals, crude Business Commodities: Cocoa tops 2018 gainers, as growth worries roil metals, crude By Genpie - December 31, 2018 131 0 Facebook Twitter Google+ Pinterest WhatsApp Cocoa prices ended 2018 with strong gains, leading generally firmer agricultural markets, but the year marked falls for most major commodities as increasing global economic uncertainty hit metals and oil.