Wolters Kluwer North America Acquires Gainskeeper - Tax Lot Accounting Services and Portfolio Manage December 10, 2002 Further strengthening its objective to become the leader in offering integrated solutions of content and expert tools to its customers, Wolters Kluwer North America announced today that it has acquired GainsKeeper, Inc., with a product line that includes what BusinessWeek called, "a capital gains miracle worker."