dec 16 reuters  london copper prices jumped more than 2 on thursday boosted by improved risk sentiment after the us federal reserve struck an upbeat tone on economic recovery while a halt to production at a major mine in peru exacerbated supply concerns threemonth copper on the london metal exchange was up 2 at 9385 a tonne as of 0330 gmt in the previous session the metal hit a low since oct 7 at 9135 the mosttraded january copper contract on the shanghai futures exchange inched down 01 to 68590 yuan 1077104 a tonne the us central bank said it would end its bond purchases in march and pave the way for three quarterpercentagepoint interest rate hikes by the end of 2022 as the economy nears full employment and the central bank copes with a surge of inflation read more meanwhile onwarrant lme inventories fell to 80720 tonnes with lme cash copper on the threemonth contract switching back to a premium of 15 a tonne mmg ltd 1208hk said on thursday it would shut production at its las bambas copper mine in peru from dec 18 after the miner failed to reach an agreement with the peruvian community blocking a transport road used by the facility read more  lme aluminium rose 13 to 26295 a tonne zinc climbed 15 to 3319 a tonne nickel rose 12 to 19335 a tonne and lead was up 06 at 2298 a tonne  shfe aluminium gained 07 to 19245 yuan a tonne nickel edged up 02 to 142710 yuan a tonne lead slipped 06 to 15355 yuan a tonne and tin was 01 higher at 283610 yuan a tonne  chinas finance ministry said on wednesday it would raise the export tax on blister copper in 2022 a table published by the ministry showed the export duty on unrefined copper and copper anodes for electrolytic refining would double to 30 next year chinas exports of this category totalled just 122 tonnes in the first 10 months of this year however read more  regulators in shanghai including local branches of the peoples bank of china and the china banking and insurance regulatory commission held meetings with some real estate firms on wednesday and on dec 9 offering to help the embattled industry local media reported read more  for the top stories in metals and other news click  the dollar paused for breath on thursday having given up a brief rally made after the us fed said it would end pandemicera bond purchases in march as investors awaited imminent decisions from other major central banks  asian stocks followed wall street higher on thursday after the us feds decision on bondbuying stimulus 1330 press conference following the governing council meeting of the ecb in frankfurt reporting by eileen soreng in bengaluru editing by sherry jacobphillips