london investors send copper 17-month peak hop splurge u.s. infrastructure spend donald trump may end underwhelmed give plan even successful would add modestly world demand china dominate global copper market account half demand uptick consumption follow stimulus much relevant market together less mine supply expect would support slightly firm price wild frenzy erupt u.s. election last week investors analysts say infrastructure ambition trump think meaningless term course direction commodities say scottish hedge fund manager hugh hendry founder chief investment officer eclectica asset management around 200 million management copper price soar 25 percent start month peak 6,025 ton last friday since retreat 5,466 wednesday still nearly fifth high since start 2016. experts brush impact copper plan incoming u.s. president spend trillion 10 years build infrastructure even upbeat plan impact u.s. steel sector unlike copper steel price set regionally infrastructure spend spree couple even strong trade protectionism would initially big boost u.s. steel market even though long term fear steel price inflation cripple demand growth copper consumption unite state slide 40 percent past 15 years 1.8 million tonnes last year accord u.s. geological survey compare 10 million china thomson reuters gfms data show even assume 10 percent increase infrastructure-related copper consumption would hardly matter global scale say analyst carsten menke julius baer switzerland least due fact part increase copper demand would meet increase recycle consider exist infrastructure would replace rather expand position paper trump 's advisors infrastructure plan bit.ly/2ebqb1y publish election mention specific project refer broad sweep possibilities include bridge airports digital superhighways even trump infrastructure plan go ahead impact physical market likely modest say robin bhar head metal research societe generale spend go toward build roads bridge beneficial metal demand extra spend sectors power transportation capital infrastructure project bhar say note important whether strong demand china back stimulus early year persist china real estate sector prime driver demand industrial metal include copper investment slow builders start few new home year-on-year september first decline since december lead indicators copper demand six 12 months clearly turn sharply negative liberum analyst richard knight say note hendry although dismiss impact infrastructure spend commodities say wide fiscal stimulus could boost overall economic growth give sector lift trillion plus tax cut meaningless would certainly seem first dramatic politically support step tell reuters global investment outlook summit world commodities imagine retain outperformance trump infrastructure plan add little global copper backdrop