Credit Cards Are Clearest Path to Growth For Banc One
Banc One Corp says it has agreed to pay $7.3 billion in stock for First USA Inc; Banc One wants to expand its credit card business, but there is risk in buying credit card company just as late payments and loan losses in credit cards are shooting up; Banc One also reports that its earnings in final quarter of 1996 rose 9.7 percent, to $369.8 million, compared with year earlier; company announces 12 percent dividend increase to 38 cents a share from 34 cents and a buyback of as many as 12 million shares for use in earlier acquisition (M)