nov 23 reuters  shanghai zinc prices jumped 46 on tuesday to their highest in nearly three weeks amid global supply concerns after miner and commodity trader glencore glenl floated plans to put its zinc sulphide operations in italy on hold for maintenance the mosttraded january zinc contract on the shanghai futures exchange was up 39 at 23805 yuan a tonne as of 0324 gmt having hit its highest since nov 4 of 23980 yuan a tonne threemonth zinc on the london metal exchange eased 01 to 3345 a tonne having scaled on monday to its highest level in more than two weeks glencore said the zinc plant in portovesme with a capacity of 100000 tonnes a year will be put on care and maintenance until there is a meaningful change in power market prices read more the premium of lme cash zinc over the threemonth contract rose to 5280 a tonne its highest since oct 29 indicating tightening nearby supplies as lme inventories of the metal fell to the lowest since july 2020 to 175025 tonnes  global primary aluminium output rose to 5689 million tonnes in october up 12 yearonyear data from the international aluminium institute showed on monday  the global world refined copper market showed a surplus of 52000 tonnes in august versus a deficit of 39000 tonnes in july the international copper study group said in its latest monthly bulletin  shfe aluminium rose 04 to 19230 yuan a tonne nickel climbed 34 to 153030 yuan a tonne and copper advanced 14 to 71390 yuan a tonne  lme copper was up 02 at 974450 a tonne aluminium was flat at 2690 a tonne nickel rose 05 to 20440 a tonne and lead eased 04 to 225050 a tonne  for the top stories in metals and other news click or  the dollar was near a fourandahalfyear top against the yen on tuesday after federal reserve chair jerome powell was reappointed for a second term emboldening bets on higher us interest rates  asia stocks were mostly lower on tuesday tracking a retreat on wall street reporting by eileen soreng in bengaluru editing by sherry jacobphillips