NY -- Standard&Poor's CreditWire 1/31/96 -- Standard&Poor's affirms its double-`B'-plus rating on the National Bank of Hungary's foreign currency debt and revises its rating outlook to stable from negative. The outlook revision reflects Hungary's renewed commitment to tight fiscal, monetary and incomes policies that: -- Reduced last year's general government deficit to 6.5% of GDP, down from 8.3% in 1994, with primary balance shifting to a surplus; -- Cut the current account deficit in 1995 to an estimated $2.3 billion (5% of GDP), down from $ 4 billion (10%) in 1994; -- Boosted official reserves by $5 billion to almost $12 billion; -- Cut net external public sector debt to an estimated 66% of exports by