Core Viewpoint - CME Group has reopened its Globex metal and natural gas futures and options markets after a temporary halt due to technical issues [1] Group 1 - The trading in the metal and natural gas futures and options markets was halted at 12:15 PM Central Time due to technical problems [1] - The natural gas futures and options market resumed trading at 12:50 PM Central Time [1] - The metal market reopened at 1:45 PM Central Time [1]