Pittsburgh-based PNC Financial Services Group, Inc. announced that it has signed a definitive agreement to acquire Lawrence-based Albridge Solutions Inc., a provider of portfolio accounting and enterprise wealth management services. Through relationships with 150 financial institutions and more than 100,000 financial advisors with assets under management that exceed $1 trillion, Albridge delivers an aggregate, single view of clients’ assets along with performance reporting and analysis. Albridge will increase the offerings of PFPC Worldwide Inc., PNC’s provider of global investment services. Financial terms of the agreement were not disclosed.