Japan's Nikkei Stock Average tumbled to 2-week low on Monday as Spanish 10 year borrowing costs surpassed 6% and US consumer confidence unexpectedly fell. Nikkei 225 index plunged 1.74% or 167.35 points and finished at 9,470.64. Toyota Motors and Honda Motors which heavily depend on US demand slipped 1.7% and 2% respectively. Financials also depreciated with Mitsubishi UFJ Financial Group dropping 3.5%. Tech stocks led the decline with Advantest Corp falling 6.1% and Tokyo Electron sinking 2.9%.