LONDON (Dow Jones)--JZ Capital Partners Ltd (JZCP.LN), a closed ended investment company incorporated in Guernsey whose corporate objective is to create a portfolio of investments in businesses primarily in the U.S., said Tuesday that its net asset value at May 31 has increased 3.5% since Feb. 28 to $7.28. MAIN FACTS: -Continues to be cautiously optimistic about both the U.S. economy, and the resulting positive effects on M&A activity. -For the three months ended May 31, NAV increased $16.0 million or 3.5% to $473,534. -Shares closed Monday at 275 pence valuing the company at GBP178.8 million. -By Ian Walker, Dow Jones Newswires; 44-20-7842-9296; [email protected] (END) Dow Jones Newswires June 22, 2010 02:31 ET (06:31 GMT)