World NewsLondon Metal Exchange appoints first chairwoman in 142 yearsBy Shile GIWAMay 11, 2019 by By Shile GIWAMay 11, 20190516 (Reuters/TBI Africa.com) The London Metal Exchange (LME) has appointed Standard Chartered and ConocoPhillips board member Gay Huey Evans as its new chairwoman, the first in