The current Wall Street financial crisis has seen JPMorgan Chase buy Washington Mutual (as well as Bear Stearns), and Bank of America acquire Merrill Lynch.But integrating firms' systems after a merger presents a number of major and painful challenges, Brad Johnson, VP of consultancy SystemExperts, tells WS&T...

The current Wall Street financial crisis has seen JPMorgan Chase buy Washington Mutual (as well as Bear Stearns), and Bank of America acquire Merrill Lynch. But integrating firms' systems after a merger is a major challenge.