HONG KONG (MarketWatch) -- Japanese investors purchased a net 809.6 billion yen ($7.6 billion) in foreign bonds and a 70.8 billion in foreign stocks in the first full business week of the New Year., according to reports. The purchases were made in the period of Jan. 6 to 12 and mark the fourth week out of five Japanese investors have been heavy buyers of foreign bonds, the Nikkei News reported, citing Ministry of Finance data.