Diversified Investment Advisors hired Seneca Capital Management as a...

Diversified Investment Advisors hired Seneca Capital Management as a co-manager of Diversified’s Special Equity Fund, said Pat Advaney, Seneca spokeswoman. Seneca, which has $15 billion in assets under management, will manage the fund’s growth component. The fund’s other subadvisers are INVESCO, RS Investments, Wellington Management and Westport Asset.