PEOPLE'S SAVINGS BANK OF BROCKTON <PBKB.O> Net 646,000 vs 470,000 Assets 173.0 mln vs 152.9 mln NOTE:Quarter ended March 31. The company completed conversion from mutual to stock form in October 1986, raising 14.1 mln dlrs in net proceeds through the sale of 2.3 mln shares of common stock.