Japan's Nikkei share average rose 1.51 percent on Thursday as a steep fall in oil prices soothed investor worries about the global economic outlook and spurred buying of recently battered stocks such as Sharp Corp. <6753.T>. The Nikkei <.N225> rose 161.17 points to close at 10,853.12 as it posted the biggest one-day percentage gain since Oct. 4, when it rose 2.68 percent. The broader TOPIX index <.TOPX> closed up 1.49 percent at 1,090.25.///www..com