Forth Ports is weighing on the industrial transportation sector.The port operator said it expects full year results to be at the lower end of expectations due to weak trading in its Nordic recycling division and in its container services operations at Tilbury port near London.A recovery in the share price of John Wood Group is helping lift the oil equipment and services sector higher. The oil and gas facilities service provider said yesterday that it believes 2009 earnings will be in line with expectations.Top performing sectors so far todayOil Equipment Services & Distribution 15,117.47 +1.94%Health Care Equipment & Services 3,473.89 +1.91%Oil & Gas Producers 7,982.58 +1.73%Electricity 6,481.11 +1.70%Mobile Telecommunications 3,275.75 +1.57%Bottom performing sectors so far todayIndustrial Transportation 1,897.76 -0.98%Electronic & Electrical Equipment 1,524.40 -0.72%Forestry & Paper 3,568.55 -0.72%Industrial Engineering 3,748.90 -0.10%Automobiles & Parts 2,663.06 -0.09%