Nikkei 225 index drops 0.6% after holiday

Japan's Nikkei Stock Average tumbled on Wednesday as investors returned from holiday and anticipated news from China. Nikkei 225 index fell 0.55% or 55.50 points and closed at 10,086.49. Nissan Motor lost 2.9% after car maker presented its spending plans including the revival of its Datsun brand after 30 years. Exporters added to loss with Sony falling 4.5%, Toyota Motor dropping 1.5% and Inpex giving up 2.4%. On the upside Advantest rallied 5.8% after BNP Paribas upgraded semiconductor sector rating.