DPL

(DPL)

hired

Morgan Stanley

to explore a range of strategic options, including the possible sale of all or part of the company.

The Dayton, Ohio, energy company was fairly tight-lipped, but said "given this unique time in the development of the emerging deregulated merchant energy markets, we believe we should examine all possibilities."

Shares of DPL, the parent company of

DPL Energy

and

Dayton Power & Light

, ended the regular

New York Stock Exchange

trading session at $33.19, down 13 cents, or 0.4%. The company has a market capitalization of about $4.2 billion.