Sterling firms, holding above 2-1/2 month lows vs. dollar

LONDON (Reuters) - Sterling was a touch firmer on Wednesday, holding its ground against other major currencies in the absence of any major economic data or news related to trade talks with the European Union. The pound has inched away from 2-1/2-month lows hit against the dollar at the start of the week, winning some respite on Tuesday thanks to economic growth data.Preliminary data for fourth-quarter gross domestic product showed the economy grew 1.1% year-on-year, the same as in the previous..