Highland Valley mine voted overwhelmingCOMEX March copper (0#HG:) held onto moderate games by the midday on Wednesday to trade 0.65 cent higher at $1.0920 per lb. in a $1.0765 to $1.1030 range. Unionized workers at Canada's Highland Valley mine voted overwhelming to reject management's last contract offer, increasing the likelihood of a strike. Though largely expected by the market, some traders said copper participants were more apt to buy any positive news than sell the negative these days. The rebound in the dollar against the euro was largely shrugged off by copper traders. Noon EST volume was 11,000 lots. LME three-months copper (MCU3) was changing hands at $2,393 per tonne, after Tuesday's kerb close at $2,372.