Japan's Nikkei Stock Average extended gains on Thursday as exporters kept gathering gains from record weak Yen. Nikkei 225 index added 0.39% or 36.76 points and settled at 9,590.76. Olympus climbed 4%, Fujitsu added 3% while Nissan Motors surged 1.6%. Mazda Motors shares extended losses and fell 7% as the company predicted biggest yearly loss in 11 years earlier this week. KDDI fell 2% after Nomura Holdings downgraded the company from buy to neutral.