No sectors are in the blue Tuesday as shares roar ahead following a spell of weakness, helped by a strong performance from the mining sector.In industrial metals, copper prices climbed, helped by positive economic data from the US.Precious metals prices also climbed, with gold reaching an 18-month high of $1,029 in New York due to weakening in the dollar.Among the big miners posting good gains are Kazakh industrial metal giant Kazakhmys and gold miner Randgold Resources.In company news in the sector, Rio Tinto has signed an investment agreement with the government of Mongolia for the development of the Oyu Tolgoi copper-gold complex in the countries' South Gobi region. Moving to smaller companies, the share price of European Goldfields climbed after the company announced progress on its plans to develop operations at its metal deposits at Skouries and Olympias in Northern Greece. Both stocks are higher.The real estate sector is led higher by Sirius, whose shares have soared after the German workspace specialist said it has seen rising rents in the six months to September 30.Top performing sectors so far todayForestry & Paper 3,469.45 +4.34%Mining 17,532.39 +3.41%Chemicals 4,034.10 +2.80%Industrial Metals 4,386.38 +2.77%Real Estate 1,990.37 +2.70%