KUALA LUMPUR (AFX-ASIA) – Affin-UOB Research said it is maintaining its “accumulate” recommendation on Petra Perdana Bhd, with a fair value of RM4.20 based on a target price-to-earnings ratio of 10.5 times for 2003 earnings. (US$1=RM3.8). In a research note, Affin-UOB said the progress of the Esso contract has been encouraging and improvement in the…