(Bloomberg) -- Foreign investors bought a net 1.2 trillion yen ($8.1 billion) of Japanese stocks last week, their biggest purchase since October, data from the Ministry of Finance showed on Thursday.Most Read from BloombergBlinken Stranded After Boeing 737 Breaks Down on Davos TripStocks Drop as Solid Data Fuel Fed-Pivot Repricing: Markets WrapApple to Sell Watches Without Oxygen Feature After Legal SetbackJPMorgan Says Hacker Attempts Have Increased This YearDimon Says China Risk-Reward Equatio