The Dollar unwound earlier gains Tuesday as risk appetites appeared to be revived by the return of North American traders, enabling Sterling to slip out into the lead among major currencies while others pared losses. Sterling was out in front with a more-than half a percent lead over the greenback and having risen against all other major rivals, while the New Zealand Dollar was in second place but receiving stiff competition from the Swedish Krona. Australia's commodity-backed and China sensitive Dollar was also paring losses while the oil-linked Canadian Loonie and Norwegian Krone were clear underperformers, ... (full story)