LONDON (Dow Jones)--Artemis Alpha Trust PLC (ATS.LN) said Friday it has made a market purchase of 57,000 of its own ordinary shares, representing 0.19% of the issued share capital. MAIN FACTS: -The shares were bought at 226.00 pence per share and the company intends to hold these shares in treasury. -Shares closed Friday at 229.5 pence. -By Tommy Stubbington, Dow Jones Newswires; 44-20-7842-9268; [email protected] (END) Dow Jones Newswires July 02, 2010 11:39 ET (15:39 GMT)