LONDON (Dow Jones)--Martin Currie Portfolio Investment Trust PLC (MNP.LN) said Tuesday it bought back 5,000 ordinary shares at a price of 113.00 pence per share for immediate cancellation. -Shares at 0807 GMT unchanged at 113.0 pence. -By Iain Packham, Dow Jones Newswires; 44-20-7842-9269; [email protected] (END) Dow Jones Newswires June 22, 2010 04:08 ET (08:08 GMT)