AUD/USD - 0.8812.. In a surprise move, instead of nudging official cash rate higher by 25 b.p., RBA announced at 3:30GMT to keep rates unchanged at 3.75%, probably under pressure fm central banks elsewhere as one of its following statements mentioned 'credit conditions remained difficult in major countries & concerns regarding some sovereign has increased. Aud tumbled fm around 0.8923 to 0.8820 in 2 minutes, dragging eur/yen lower, euro & cable weakened to 1.3886 n 1.5923 respectively.