Amid this uncertainty the Nikkei 225 backtracked 101.59 points or 1% to 10,061.79, with downward momentum given extra weight by profit-taking, before recovering to close at 10,100.57, down 62.81. Highflying mobile player NTT DoCoMo was clipped by 1000 yen or 0.4% to 239,000, while airline Japan Airlines System was punished 11 yen or 3.8% to 276.