Mumbai, Jan. 21 -- COMEX Copper futures held up steady today though weak equities capped gains. The metal currently trades at $5.84 per pound, up 0.85% on the day after some stability emerged in the counter following recent losses. However, bulk of the gains are due to steady global growth forecast amid tepid US dollar as equities are under stress. In Asia, Shanghai Composite index edged up marginally while Hong Kong's Hang Seng index added 0.37%. Japanese Nikkei 225 index eased 0.41% amid sustained selling pressure. European stocks stayed cautious. German DAX shed around half a percent. The US stocks slumped amid renewed concerns about a trade war between the US and Europe over President Donald Trump's efforts to take control of Greenland....