LONDON (Dow Jones)--Matrix Income & Growth 4 VCT PLC (MIG4.LN) said Wednesday it purchased for cancellation 194,144 of its ordinary shares at a price of 94.8372 pence per share on July 28. -Shares on Wednesday closed at 95.5 pence. -By Tapan Panchal, Dow Jones Newswires. Tel +44(0)207-842 9448, [email protected] (END) Dow Jones Newswires July 28, 2010 12:26 ET (16:26 GMT)