The Asian indices have opened this week on a negative note with most of them down over 1% each. The Nikkei has dropped 224 points to 14,597. The Hang Seng has slipped 106 points to 16,358.The All Ordinaries, Jakarta Composite, Seoul Composite and Taiwan Weighted indices are down over 1% each to 4885, 1300, 1253 and 6341, respectively.